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Michael Peter Christen c40c302748 when many crawl queues are generated, this NPE can occur; probably ... caused as concurrency issue: W 2015/09/05 14:09:10 ConcurrentLog java.lang.NullPointerException java.lang.NullPointerException at java.util.TreeMap.rotateRight(TreeMap.java:2239) at java.util.TreeMap.fixAfterInsertion(TreeMap.java:2271) at java.util.TreeMap.put(TreeMap.java:582) at net.yacy.kelondro.table.Table.<init>(Table.java:235) at net.yacy.crawler.HostQueue.openStack(HostQueue.java:229) at net.yacy.crawler.HostQueue.getStack(HostQueue.java:204) at net.yacy.crawler.HostQueue.push(HostQueue.java:397) at net.yacy.crawler.HostBalancer.push(HostBalancer.java:237) at net.yacy.crawler.data.NoticedURL.push(NoticedURL.java:184) at net.yacy.crawler.CrawlStacker.stackCrawl(CrawlStacker.java:355) at net.yacy.crawler.CrawlStacker.job(CrawlStacker.java:134) at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at net.yacy.kelondro.workflow.InstantBlockingThread.job(InstantBlockingThread.java:101) at net.yacy.kelondro.workflow.AbstractBlockingThread.run(AbstractBlockingThread.java:82) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)		10 years ago
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blob	gzip compression will perform more efficient and with better compression	10 years ago
data	fix NPE on .yacyh result url of disconnected peer	10 years ago
index	gzip compression will perform more efficient and with better compression	10 years ago
io	fix seek error for 0 file size records file	11 years ago
logging	added a new collection type 'dht' to all documents from the peer-to-peer	10 years ago
rwi	Implement sharing of ioDispatcher for term & citation index	10 years ago
table	when many crawl queues are generated, this NPE can occur; probably	10 years ago
util	Added a function to list files recursively.	10 years ago
workflow	Limit extra sleep of BusyThread on LowMemCycle	10 years ago