removed warnings

.settings/org.eclipse.jdt.core.prefs

@@ -57,7 +57,7 @@ org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
 org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
 org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=warning
 org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
-org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
 org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
 org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
@@ -74,7 +74,7 @@ org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
 org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
 org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
 org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
-org.eclipse.jdt.core.compiler.problem.unclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=ignore
 org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
 org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning

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

@@ -43,7 +43,6 @@ import net.yacy.cora.util.CommonPattern;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;
 import net.yacy.document.Parser;
-import net.yacy.document.parser.html.CharacterCoding;
 import net.yacy.document.parser.html.ContentScraper;
 import net.yacy.document.parser.html.ImageEntry;
 import net.yacy.document.parser.html.ScraperInputStream;

source/net/yacy/http/Jetty9YaCySecurityHandler.java

@@ -86,6 +86,6 @@ public class Jetty9YaCySecurityHandler extends ConstraintSecurityHandler {
             roleinfo.addRole(AccessRight.ADMIN_RIGHT.toString()); // use AccessRights as role
             return roleinfo; 
         }
-        return (RoleInfo)super.prepareConstraintInfo(pathInContext, request);
+        return super.prepareConstraintInfo(pathInContext, request);
     }
 }

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

@@ -25,7 +25,6 @@
 
 package net.yacy.kelondro.util;
 
-import java.lang.management.ManagementFactory;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**

source/net/yacy/peers/Protocol.java

@@ -72,7 +72,6 @@ import net.yacy.cora.federate.opensearch.SRURSSConnector;
 import net.yacy.cora.federate.solr.connector.RemoteSolrConnector;
 import net.yacy.cora.federate.solr.connector.SolrConnector;
 import net.yacy.cora.federate.solr.instance.RemoteInstance;
-import net.yacy.cora.federate.solr.responsewriter.OpensearchResponseWriter;
 import net.yacy.cora.federate.yacy.CacheStrategy;
 import net.yacy.cora.order.Base64Order;
 import net.yacy.cora.order.Digest;