code maintenance - removed warnings and replaced deprecated functions

.gitignore

@@ -9,6 +9,8 @@ classes/
 RELEASE/
 /yacy.pid
 .DS_Store
+/yacy/source/.DS_Store
+/htroot/.DS_Store
 /DATA.bkp
 /DATA.1
 /gen

source/net/yacy/cora/date/ISO8601Formatter.java

@@ -29,7 +29,6 @@ import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Locale;
-import java.util.NoSuchElementException;
 import java.util.StringTokenizer;
 
 public class ISO8601Formatter extends AbstractFormatter implements DateFormatter {

source/net/yacy/cora/document/id/MultiProtocolURL.java

@@ -36,6 +36,7 @@ import java.io.Serializable;
 import java.io.UnsupportedEncodingException;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
+import java.net.URISyntaxException;
 import java.net.URLDecoder;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
@@ -2368,7 +2369,11 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
      */
     public java.net.URL getURL() throws MalformedURLException {
         if (!(isHTTP() || isHTTPS() || isFTP())) throw new MalformedURLException();
-        return new java.net.URL(this.toNormalform(false));
+        try {
+            return new java.net.URI(this.toNormalform(false)).toURL();
+        } catch (URISyntaxException e) {
+            throw new MalformedURLException(e.getMessage());
+        }
     }
 
     /**
@@ -2655,6 +2660,7 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
         return splitpattern.split(normalizedURL.toLowerCase()); // word components of the url
     }
 
+    @SuppressWarnings("deprecation")
     public static void main(final String[] args) {
         final String[][] test = new String[][]{
           new String[]{null, "file://y:/"},
@@ -2722,7 +2728,7 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
             url = element[1];
             try {aURL = MultiProtocolURL.newURL(environment, url);} catch (final MalformedURLException e) {e.printStackTrace(); aURL = null;}
             if (environment == null) {
-                try {jURL = new java.net.URL(url);} catch (final MalformedURLException e) {jURL = null;}
+                try {jURL = new java.net.URI(url).toURL();} catch (final MalformedURLException | URISyntaxException e) {jURL = null;}
             } else {
                 try {jURL = new java.net.URL(new java.net.URL(environment), url);} catch (final MalformedURLException e) {jURL = null;}
             }

source/net/yacy/cora/federate/FederateSearchManager.java

@@ -22,6 +22,8 @@ package net.yacy.cora.federate;
 import java.io.File;
 import java.io.IOException;
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -366,8 +368,8 @@ public class FederateSearchManager {
                                 final String hrefurltxt = sdoc.getFieldValue(WebgraphSchema.target_protocol_s.getSolrFieldName()) + "://" + sdoc.getFieldValue(WebgraphSchema.target_urlstub_s.getSolrFieldName());
                                 URL url;
                                 try {
-                                    url = new URL(hrefurltxt);
+                                    url = new URI(hrefurltxt).toURL();
-                                } catch (final MalformedURLException ex) {
+                                } catch (final MalformedURLException | URISyntaxException ex) {
                                     LOG.warn("OpenSearch description URL is malformed : " + hrefurltxt);
                                     continue;
                                 }

source/net/yacy/cora/federate/solr/connector/ShardSelection.java

@@ -21,6 +21,8 @@
 package net.yacy.cora.federate.solr.connector;
 
 import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -82,8 +84,8 @@ public class ShardSelection implements Iterable<SolrClient> {
             if (sif != null) {
                 final String url = (String) sif.getValue();
                 if (url != null && url.length() > 0) try {
-                    return server4write(new URL(url));
+                    return server4write(new URI(url).toURL());
-                } catch (final IOException e) {
+                } catch (final IOException | URISyntaxException e) {
                     ConcurrentLog.logException(e);
                     return this.server.get(0);
                 }
@@ -97,7 +99,11 @@ public class ShardSelection implements Iterable<SolrClient> {
 
     public SolrClient server4write(final String host) throws IOException {
         if (host == null) throw new IOException("sharding - host url, host empty: " + host);
-        if (host.indexOf("://") >= 0) return server4write(new URL(host)); // security catch for accidantly using the wrong method
+        if (host.indexOf("://") >= 0) try {
+            return server4write(new URI(host).toURL()); // security catch for accidently using the wrong method
+        } catch (URISyntaxException e) {
+            throw new IOException("sharding - host url, host invalid: " + host);
+        }   
         if (this.method == Method.MODULO_HOST_MD5) {
             try {
                 final MessageDigest digest = MessageDigest.getInstance("MD5");

source/net/yacy/cora/federate/solr/embedded/EmbeddedSolrServer.java

@@ -66,7 +66,6 @@ import org.apache.solr.servlet.SolrRequestParsers;
  *
  * @since solr 1.3
  */
-@SuppressWarnings("deprecation")
 public class EmbeddedSolrServer extends SolrClient {
 
   private static final long serialVersionUID = -6657217211811383651L;

source/net/yacy/cora/plugin/ClassProvider.java

@@ -27,6 +27,8 @@ package net.yacy.cora.plugin;
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Method;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLClassLoader;
 
@@ -46,11 +48,11 @@ public class ClassProvider {
             if (!path.startsWith("/")) path = "/" + path;
             URL[] urls;
             try {
-                urls = new URL[]{new URL("file", "", path)};
+                urls = new URL[]{new URI("file", "", path).toURL()};
                 final URLClassLoader cl = new URLClassLoader(urls);
                 c = cl.loadClass(classname);
                 cl.close();
-            } catch (ClassNotFoundException | IOException e) {
+            } catch (ClassNotFoundException | IOException | URISyntaxException e) {
 				e.printStackTrace();
 			}
         }

source/net/yacy/cora/protocol/RequestHeader.java

@@ -729,7 +729,7 @@ public class RequestHeader extends HeaderFramework implements HttpServletRequest
             return _request.getLocale();
         } else if (super.containsKey(HeaderFramework.ACCEPT_LANGUAGE)) {
             final String lng = super.get(HeaderFramework.ACCEPT_LANGUAGE);
-            return new Locale(lng);
+            return Locale.forLanguageTag(lng);
         }
         return Locale.getDefault(); // to avoid dependency on Switchboard just use system default
     }

source/net/yacy/cora/protocol/ftp/FTPClient.java

@@ -119,7 +119,7 @@ public class FTPClient {
     private final Map<String, entryInfo> infoCache = new HashMap<String, entryInfo>();
 
     // date-format in LIST (english month names)
-    private static final SimpleDateFormat lsDateFormat = new SimpleDateFormat("MMM d y H:m", new Locale("en"));
+    private static final SimpleDateFormat lsDateFormat = new SimpleDateFormat("MMM d y H:m", Locale.forLanguageTag("en"));
 
     // TODO: implement RFC 2640 Internationalization
 

source/net/yacy/data/list/XMLBlacklistImporter.java

@@ -56,7 +56,6 @@ public class XMLBlacklistImporter extends DefaultHandler {
     @SuppressWarnings("deprecation")
     public synchronized ListAccumulator parse(InputSource input) throws IOException, SAXException {
 
-        @SuppressWarnings("deprecation")
         final XMLReader reader = org.xml.sax.helpers.XMLReaderFactory.createXMLReader();
         reader.setContentHandler(this);
         reader.parse(input);

source/net/yacy/document/TextParser.java

@@ -330,7 +330,7 @@ public final class TextParser {
                 for(final Parser parser : idioms) {
                     /* Wrap in a CloseShieldInputStream to prevent SAX parsers closing the sourceStream
                      * and so let us eventually reuse the same opened stream with other parsers on parser failure */
-                    CloseShieldInputStream nonCloseInputStream = new CloseShieldInputStream(markableStream);
+                    CloseShieldInputStream nonCloseInputStream = CloseShieldInputStream.wrap(markableStream);
 
                     try {
                         return parseSource(location, mimeType, parser, charset, defaultValency, valencySwitchTagNames, scraper, timezoneOffset,
@@ -351,7 +351,7 @@ public final class TextParser {
                              * (see RFC 7231 section 3.1.2.2 for "Content-Encoding" header specification https://tools.ietf.org/html/rfc7231#section-3.1.2.2)*/
                             final gzipParser gzParser = (gzipParser)parser;
 
-                            nonCloseInputStream = new CloseShieldInputStream(markableStream);
+                            nonCloseInputStream = CloseShieldInputStream.wrap(markableStream);
 
                             final Document maindoc = gzipParser.createMainDocument(location, mimeType, charset, gzParser);
 

source/net/yacy/document/parser/GenericXMLParser.java

@@ -112,7 +112,8 @@ public class GenericXMLParser extends AbstractParser implements Parser {
 
         	/* Use commons-io XmlStreamReader advanced rules to help with charset detection when source contains no BOM or XML declaration
         	 * (detection algorithm notably also include ContentType transmitted by HTTP headers, here eventually present as mimeType and charset parameters),  */
-        	final XmlStreamReader reader = new XmlStreamReader(source, mimeType, true, charset);
+            final XmlStreamReader reader = XmlStreamReader.builder().setInputStream(source).setHttpContentType(mimeType).setLenient(true).setCharset(charset).get();
+        	//final XmlStreamReader reader = new XmlStreamReader(source, mimeType, true, charset);
 			final InputSource saxSource = new InputSource(reader);
 			final String detectedCharset = reader.getEncoding();
 
@@ -176,7 +177,8 @@ public class GenericXMLParser extends AbstractParser implements Parser {
         	
         	/* Use commons-io XmlStreamReader advanced rules to help with charset detection when source contains no BOM or XML declaration
         	 * (detection algorithm notably also include ContentType transmitted by HTTP headers, here eventually present as mimeType and charset parameters),  */
-        	final XmlStreamReader reader = new XmlStreamReader(limitedSource, mimeType, true, charsetName);
+            final XmlStreamReader reader = XmlStreamReader.builder().setInputStream(limitedSource).setHttpContentType(mimeType).setLenient(true).setCharset(charsetName).get();
+        	//final XmlStreamReader reader = new XmlStreamReader(limitedSource, mimeType, true, charsetName);
 			final InputSource saxSource = new InputSource(reader);
 			final String detectedCharset = reader.getEncoding();
 

source/net/yacy/document/parser/XZParser.java

@@ -60,7 +60,7 @@ public class XZParser extends AbstractCompressorParser {
 
 	@Override
 	protected String getUncompressedFilename(final String filename) {
-		return XZUtils.getUncompressedFilename(filename);
+		return XZUtils.getUncompressedFileName(filename);
 	}
 
 }

source/net/yacy/document/parser/bzipParser.java

@@ -125,7 +125,7 @@ public class bzipParser extends AbstractParser implements Parser {
              // create maindoc for this bzip container, register with supplied url & mime
             maindoc = createMainDocument(location, mimeType, charset, this);
             // creating a new parser class to parse the unzipped content
-            final String contentfilename = BZip2Utils.getUncompressedFilename(location.getFileName());
+            final String contentfilename = BZip2Utils.getUncompressedFileName(location.getFileName());
             final String mime = TextParser.mimeOf(MultiProtocolURL.getFileExtension(contentfilename));
             final Document[] docs = TextParser.parseSource(location, mime, null, defaultValency, valencySwitchTagNames, scraper, timezoneOffset, 999, tempFile);
             if (docs != null) maindoc.addSubDocuments(docs);
@@ -197,7 +197,7 @@ public class bzipParser extends AbstractParser implements Parser {
             final InputStream compressedInStream, final int maxLinks, final long maxBytes) throws Failure {
         // creating a new parser class to parse the unzipped content
         final String compressedFileName = location.getFileName();
-        final String contentfilename = BZip2Utils.getUncompressedFilename(compressedFileName);
+        final String contentfilename = BZip2Utils.getUncompressedFileName(compressedFileName);
         final String mime = TextParser.mimeOf(MultiProtocolURL.getFileExtension(contentfilename));
         try {
             /* Use the uncompressed file name for sub parsers to not unnecessarily use again the gzipparser */
@@ -212,6 +212,7 @@ public class bzipParser extends AbstractParser implements Parser {
         }
     }
 
+    @SuppressWarnings("resource")
     @Override
     public Document[] parseWithLimits(final DigestURL location, final String mimeType, final String charset, final VocabularyScraper scraper,
             final int timezoneOffset, final InputStream source, final int maxLinks, final long maxBytes)
@@ -221,7 +222,6 @@ public class bzipParser extends AbstractParser implements Parser {
         try {
             // BZip2CompressorInputStream checks filecontent (magic start-bytes "BZh") and throws ioexception if no match
             zippedContent = new BZip2CompressorInputStream(source);
-
         } catch(Exception e) {
             throw new Parser.Failure("Unexpected error while parsing bzip file. " + e.getMessage(), location);
         } 

source/net/yacy/document/parser/docParser.java

@@ -146,6 +146,7 @@ public class docParser extends AbstractParser implements Parser {
      * @return an array containing one Document
      * @throws net.yacy.document.Parser.Failure
      */
+    @SuppressWarnings("resource")
     public Document[] parseOldWordDoc(
             final DigestURL location,
             final String mimeType,

source/net/yacy/document/parser/gzipParser.java

@@ -128,7 +128,7 @@ public class gzipParser extends AbstractParser implements Parser {
         try {
             maindoc = createMainDocument(location, mimeType, charset, this);
             // creating a new parser class to parse the unzipped content
-            final String contentfilename = GzipUtils.getUncompressedFilename(location.getFileName());
+            final String contentfilename = GzipUtils.getUncompressedFileName(location.getFileName());
             final String mime = TextParser.mimeOf(MultiProtocolURL.getFileExtension(contentfilename));
             Document[] docs = TextParser.parseSource(location, mime, null, defaultValency, valencySwitchTagNames, scraper, timezoneOffset, DEFAULT_DEPTH, tempFile);
             if (docs != null) maindoc.addSubDocuments(docs);
@@ -195,7 +195,7 @@ public class gzipParser extends AbstractParser implements Parser {
             final InputStream compressedInStream, final int maxLinks, final long maxBytes) throws Failure {
         // creating a new parser class to parse the unzipped content
         final String compressedFileName = location.getFileName();
-        final String contentfilename = GzipUtils.getUncompressedFilename(compressedFileName);
+        final String contentfilename = GzipUtils.getUncompressedFileName(compressedFileName);
         final String mime = TextParser.mimeOf(MultiProtocolURL.getFileExtension(contentfilename));
         try {
             /* Use the uncompressed file name for sub parsers to not unnecessarily use again the gzipparser */

source/net/yacy/document/parser/images/genericImageParser.java

@@ -57,7 +57,6 @@ import com.drew.metadata.exif.GpsDirectory;
 import net.yacy.cora.document.id.AnchorURL;
 import net.yacy.cora.document.id.DigestURL;
 import net.yacy.cora.document.id.MultiProtocolURL;
-import net.yacy.cora.federate.solr.connector.SolrServerConnector;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;

source/net/yacy/document/parser/odtParser.java

@@ -109,6 +109,7 @@ public class odtParser extends AbstractParser implements Parser {
     	return parser;
     }
 
+    @SuppressWarnings("resource")
     private Document[] parse(final DigestURL location, final String mimeType, @SuppressWarnings("unused") final String charset, final File dest)
             throws Parser.Failure, InterruptedException {
 

source/net/yacy/document/parser/pdfParser.java

@@ -221,6 +221,7 @@ public class pdfParser extends AbstractParser implements Parser {
     /**
      * Clean up cache resources allocated by PDFBox that would otherwise not be released.
      */
+    @SuppressWarnings("deprecation")
     public static void clearPdfBoxCaches() {
 		/*
 		 * Prior to pdfbox 2.0.0 font cache occupied > 80MB RAM for a single pdf and

source/net/yacy/document/parser/rdfa/impl/RDFaParser.java

@@ -9,6 +9,8 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Date;
@@ -169,8 +171,8 @@ public class RDFaParser extends AbstractParser implements Parser {
 					}
 				} else {
 					try {
-						aURL = new URL(args[0]);
+						aURL = new URI(args[0]).toURL();
-					} catch (final MalformedURLException e) {
+					} catch (final MalformedURLException | URISyntaxException e) {
 						System.err.println("URL is malformed.");
 					}
 

source/net/yacy/document/parser/tarParser.java

@@ -97,7 +97,7 @@ public class tarParser extends AbstractParser implements Parser {
         while (true) {
             try {
                 File tmp = null;
-                entry = tis.getNextTarEntry();
+                entry = tis.getNextEntry();
                 if (entry == null) break;
                 if (entry.isDirectory() || entry.getSize() <= 0) continue;
                 final String name = entry.getName();
@@ -154,7 +154,7 @@ TarArchiveEntry entry;
 int totalProcessedLinks = 0;
 while (true) {
 try {
-entry = tis.getNextTarEntry();
+entry = tis.getNextEntry();
 if (entry == null) {
 break;
 }

source/net/yacy/gui/Tray.java

@@ -38,7 +38,6 @@ import java.awt.event.ActionListener;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
 import javax.imageio.ImageIO;

source/net/yacy/htroot/ConfigParser_p.java

@@ -30,8 +30,6 @@ package net.yacy.htroot;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.document.Parser;
 import net.yacy.document.TextParser;
-import net.yacy.document.parser.pdfParser;
-import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
@@ -42,8 +40,6 @@ public class ConfigParser_p {
     public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
         // return variable that accumulates replacements
         final serverObjects prop = new serverObjects();
-        final Switchboard sb = (Switchboard) env;
-
 
         if (post != null) {
 

source/net/yacy/htroot/IndexImportJsonList_p.java

@@ -22,6 +22,8 @@ package net.yacy.htroot;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.nio.channels.Channels;
 
@@ -83,7 +85,7 @@ public class IndexImportJsonList_p {
  */
                         if (urlstr != null && urlstr.length() > 0) {
                             try {
-                                final URL url = new URL(urlstr);
+                                final URL url = new URI(urlstr).toURL();
                                 final String tempfilename = "jsonlistimporter";
                                 final boolean gz = urlstr.endsWith(".gz");
                                 final File tempfile = File.createTempFile(tempfilename, "");
@@ -93,7 +95,7 @@ public class IndexImportJsonList_p {
                                 final JsonListImporter wi = new JsonListImporter(tempfile, gz, true);
                                 wi.start();
                                 prop.put("import_thread", "started");
-                            } catch (final IOException ex) {
+                            } catch (final IOException | URISyntaxException ex) {
                                 prop.put("import_thread", ex.getMessage());
                             }
                             prop.put("import", 1);

source/net/yacy/htroot/api/ynetSearch.java

@@ -3,6 +3,7 @@ package net.yacy.htroot.api;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.URI;
 import java.net.URL;
 import java.util.Iterator;
 import java.util.Map;
@@ -46,7 +47,7 @@ public class ynetSearch {
                     s = s + "&" + k.getKey() + "=" + k.getValue();
                 }
                 // final String s = searchaddress+"&query="+post.get("search")+"&maximumRecords="+post.get("maximumRecords")+"&startRecord="+post.get("startRecord");
-                final URL url = new URL(s);
+                final URL url = new URI(s).toURL();
                 is = url.openStream();
                 Scanner scanner = new Scanner(is);
                 final String httpout = scanner.useDelimiter( "\\Z" ).next();

source/net/yacy/http/InetPathAccessHandler.java

@@ -102,7 +102,7 @@ public class InetPathAccessHandler extends InetAccessHandler {
 			final String path = (idx > 0 && (pattern.length() > idx + 1)) ? pattern.substring(idx + 1) : "/*";
 
 			if (!addr.isEmpty()) {
-				final PathSpec pathSpec = PathMappings.asPathSpec(path);
+				final PathSpec pathSpec = PathSpec.from(path);
 				InetAddressSet addresses = pathMappings.get(pathSpec);
 				if (addresses == null) {
 					addresses = new InetAddressSet();

source/net/yacy/http/servlets/RAGProxyServlet.java

@@ -24,7 +24,6 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import net.yacy.ai.OllamaClient;
 import net.yacy.ai.OpenAIClient;
 import net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector;
 import net.yacy.search.Switchboard;
@@ -51,12 +50,8 @@ import java.net.HttpURLConnection;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
-import java.util.AbstractMap;
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
 
 /**
  * This class implements a Retrieval Augmented Generation ("RAG") proxy which uses a YaCy search index
@@ -66,11 +61,11 @@ public class RAGProxyServlet extends HttpServlet {
 	
     private static final long serialVersionUID = 3411544789759603107L;
 
-	private static Boolean LLM_ENABLED = false;
+	//private static Boolean LLM_ENABLED = false;
-    private static Boolean LLM_CONTROL_OLLAMA = true;
+    //private static Boolean LLM_CONTROL_OLLAMA = true;
-    private static Boolean LLM_ATTACH_QUERY = false; // instructs the proxy to attach the prompt generated to do the RAG search
+    //private static Boolean LLM_ATTACH_QUERY = false; // instructs the proxy to attach the prompt generated to do the RAG search
-    private static Boolean LLM_ATTACH_REFERENCES = false; // instructs the proxy to attach a list of sources that had been used in RAG
+    //private static Boolean LLM_ATTACH_REFERENCES = false; // instructs the proxy to attach a list of sources that had been used in RAG
-    private static String  LLM_LANGUAGE  = "en"; // used to select proper language in RAG augmentation
+    //private static String  LLM_LANGUAGE  = "en"; // used to select proper language in RAG augmentation
     private static String  LLM_SYSTEM_PREFIX  = "\n\nYou may receive additional expert knowledge in the user prompt after a 'Additional Information' headline to enhance your knowledge. Use it only if applicable.";
     private static String  LLM_USER_PREFIX  = "\n\nAdditional Information:\n\nbelow you find a collection of texts that might be useful to generate a response. Do not discuss these documents, just use them to answer the question above.\n\n";
 	private static String  LLM_API_HOST  = "http://localhost:11434"; // Ollama port; install ollama from https://ollama.com/

source/net/yacy/kelondro/data/meta/URIMetadataNode.java

@@ -37,7 +37,6 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
-import java.util.Locale;
 import java.util.Properties;
 import java.util.Set;
 import java.util.regex.Pattern;
@@ -58,7 +57,6 @@ import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.crawler.retrieval.Response;
 import net.yacy.document.SentenceReader;
 import net.yacy.document.Tokenizer;
-import net.yacy.document.parser.pdfParser;
 import net.yacy.document.parser.html.ContentScraper;
 import net.yacy.document.parser.html.IconEntry;
 import net.yacy.document.parser.html.IconLinkRelations;

source/net/yacy/kelondro/index/RowHandleMap.java

@@ -86,6 +86,7 @@ public final class RowHandleMap implements HandleMap, Iterable<Map.Entry<byte[],
      * @throws IOException
      * @throws SpaceExceededException
      */
+    @SuppressWarnings("resource")
     public RowHandleMap(final int keylength, final ByteOrder objectOrder, final int idxbytes, final File file) throws IOException, SpaceExceededException {
         this(keylength, objectOrder, idxbytes, (int) (file.length() / (keylength + idxbytes)), file.getAbsolutePath());
         // read the index dump and fill the index
@@ -95,10 +96,11 @@ public final class RowHandleMap implements HandleMap, Iterable<Map.Entry<byte[],
         	fis = new FileInputStream(file);
             is = new BufferedInputStream(fis, 1024 * 1024);
         } catch (final OutOfMemoryError e) {
-        	if(fis != null) {
+        	if (fis != null) {
         		/* Reuse if possible the already created FileInputStream */
         		is = fis;
         	} else {
+        	    // fis is null, no resource to close
         		is = new FileInputStream(file);
         	}
         }

source/net/yacy/kelondro/logging/ThreadDump.java

@@ -236,7 +236,7 @@ public class ThreadDump extends HashMap<ThreadDump.StackTrace, List<String>> imp
                     while (tracename.length() < 20) tracename = tracename + "_";
                     tracename = "[" + tracename + "] ";
                 }
-                final String threadtitle = tracename + "Thread= " + thread.getName() + " " + (thread.isDaemon()?"daemon":"") + " id=" + thread.getId() + " " + thread.getState().toString();
+                final String threadtitle = tracename + "Thread= " + thread.getName() + " " + (thread.isDaemon()?"daemon":"") + " id=" + thread.threadId() + " " + thread.getState().toString();
                 String className;
                 boolean cutcore = true;
                 for (int i = 0; i < stackTraceElements.length; i++) {

source/net/yacy/kelondro/util/Formatter.java

@@ -42,7 +42,7 @@ import java.util.Locale;
 public final class Formatter {
 
     // default formatter
-    private static Locale locale = new Locale("en");
+    private static Locale locale = Locale.forLanguageTag("en");
     /**
      * use ThreadLocal to generate new formatter for each Thread since NumberFormat is not synchronized
      */
@@ -78,7 +78,7 @@ public final class Formatter {
      */
     public static void setLocale(final String lang) {
         final String l = (lang.equalsIgnoreCase("default") ? "en" : lang.toLowerCase(Locale.ROOT));
-        setLocale(l.equals("none") ? null : new Locale(l));
+        setLocale(l.equals("none") ? null : Locale.forLanguageTag(l));
     }
 
 

source/net/yacy/kelondro/util/OS.java

@@ -122,7 +122,7 @@ public final class OS {
         FileUtils.copy(UTF8.getBytes(theScript), scriptFile);
         if(!isWindows){ // set executable
             try {
-                Runtime.getRuntime().exec("chmod 755 " + scriptFile.getAbsolutePath().replaceAll(" ", "\\ ")).waitFor();
+                Runtime.getRuntime().exec(new String[]{"chmod", "755", scriptFile.getAbsolutePath().replaceAll(" ", "\\ ")}).waitFor();
             } catch (final InterruptedException e) {
                 ConcurrentLog.severe("DEPLOY", "deploy of script file failed. file = " + scriptFile.getAbsolutePath(), e);
                 throw new IOException(e.getMessage());
@@ -155,7 +155,7 @@ public final class OS {
         final File starterFile = new File(scriptFile.getAbsolutePath().replaceAll(" ", "\\ ") + starterFileExtension);
         deployScript(starterFile, script);
         try {
-            Runtime.getRuntime().exec(starterFile.getAbsolutePath().replaceAll(" ", "\\ ")).waitFor();
+            Runtime.getRuntime().exec(new String[] {starterFile.getAbsolutePath().replaceAll(" ", "\\ ")}).waitFor();
         } catch (final InterruptedException e) {
             throw new IOException(e.getMessage());
         }

source/net/yacy/peers/Seed.java

@@ -47,6 +47,8 @@ import java.io.IOException;
 import java.net.Inet6Address;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.text.ParseException;
 import java.time.DateTimeException;
@@ -1358,7 +1360,7 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed>
                 return "wrong protocol for seedURL";
             }
             try {
-                final URL url = new URL(seedURL);
+                final URL url = new URI(seedURL).toURL();
                 final String host = url.getHost();
                 if (Domains.isIntranet(host)) {
                     // network.unit.domain = any returns isIntranet() always true (because noLocalCheck is set true)
@@ -1371,7 +1373,7 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed>
                         return "seedURL in local network rejected ("+host+")";
                     }
                 }
-            } catch (final MalformedURLException e ) {
+            } catch (final MalformedURLException | URISyntaxException e ) {
                 return "seedURL malformed";
             }
         }

source/net/yacy/search/Switchboard.java

@@ -728,7 +728,7 @@ public final class Switchboard extends serverSwitch {
         // Set jvm default locale to match UI language (
         String lng = this.getConfig("locale.language", "en");
         if (!"browser".equals(lng) && !"default".equals(lng)) {
-            Locale.setDefault(new Locale(lng));
+            Locale.setDefault(Locale.forLanguageTag(lng));
         } else {
             lng = "en"; // default = English
         }

source/net/yacy/search/index/SingleDocumentMatcher.java

@@ -63,7 +63,8 @@ public abstract class SingleDocumentMatcher {
 		final SolrQueryRequestBase solrRequest = new SolrQueryRequestBase(targetCore, solrQuery) {
 		};
 
-		final LuceneQParserPlugin luceneParserPlugin = new LuceneQParserPlugin();
+		@SuppressWarnings("resource")
+        final LuceneQParserPlugin luceneParserPlugin = new LuceneQParserPlugin();
 		final QParser solrParser = luceneParserPlugin.createParser(query, null, solrRequest.getParams(), solrRequest);
 		return solrParser.parse();
 	}

source/net/yacy/search/schema/CollectionSchema.java

@@ -24,7 +24,7 @@ import java.util.Date;
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.poi.ss.formula.atp.DateParser;
+import org.apache.poi.ss.util.DateParser;
 import org.apache.poi.ss.formula.eval.EvaluationException;
 import org.apache.solr.common.SolrInputDocument;
 

source/net/yacy/utils/tarTools.java

@@ -126,7 +126,7 @@ public class tarTools {
 		if (new File(untarDir).exists()) {
 			final TarArchiveInputStream tin = new TarArchiveInputStream(in);
 			try {
-				TarArchiveEntry tarEntry = tin.getNextTarEntry();
+				TarArchiveEntry tarEntry = tin.getNextEntry();
 				if (tarEntry == null) {
 					throw new IOException("tar archive is empty or corrupted");
 				}
@@ -143,7 +143,7 @@ public class tarTools {
 					} else {
 						destPath.mkdir();
 					}
-					tarEntry = tin.getNextTarEntry();
+					tarEntry = tin.getNextEntry();
 				}
 			} finally {
 				try {

source/org/openzim/ZIMReader.java

@@ -446,6 +446,7 @@ public class ZIMReader {
             return this.blobs.get(i);
         }
 
+        @SuppressWarnings("unused")
         public int getSize() {
             return this.blobs.size();
         }