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https://issues.apache.org/jira/browse/LUCENE-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13679429#comment-13679429
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Michael McCandless commented on LUCENE-5048:
--------------------------------------------
Thanks Shai!
Maybe we should set the limit to match indexer's limit (slightly less than 32
KB I think)? Both limits are insanely large .... I wonder if they should be
much smaller e.g. 256 bytes.
Second, can you fix testHugeLabel to actually index exactly the max length
label?
> NegativeArraySizeException caused by ff.addFields
> --------------------------------------------------
>
> Key: LUCENE-5048
> URL: https://issues.apache.org/jira/browse/LUCENE-5048
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/facet
> Affects Versions: 4.2, 4.3
> Environment: Not sure if this is applicable, but it's Gentoo Linux
> with java 1.7 on a dual intel xeon lga2011 with supermicro server motherboard
> and 256GB of ram
> Reporter: Colton Jamieson
> Attachments: LUCENE-5048.patch, LUCENE-5048.patch
>
>
> I have a Server/Client software that I have created which has a server
> process that accepts connections from clients that transmit data about local
> connection information. This data is than buffered and a ThreadPoolExecutor
> runs to take the data and put it into a lucene index as well as a facet
> index. This works perfect for the lucene index, but the facet index randomly
> generates a NegativeArraySizeException. I cannot find any reason why the
> exception would be caused because lines with the same type of data do not
> throw it, then all of a sudden the exception is thrown, typically 4 of them
> in a row. I talked with mikemccand on IRC and he requested I submit this
> issue.
> After some discussion, he seems to think it's because some of the values I am
> using are rather large.
> Here is the exception...
> java.lang.NegativeArraySizeException
> at
> java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:64)
> at java.lang.StringBuilder.<init>(StringBuilder.java:97)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.CharBlockArray.subSequence(CharBlockArray.java:164)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.CategoryPathUtils.hashCodeOfSerialized(CategoryPathUtils.java:50)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.CompactLabelToOrdinal.stringHashCode(CompactLabelToOrdinal.java:294)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.CompactLabelToOrdinal.grow(CompactLabelToOrdinal.java:184)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.CompactLabelToOrdinal.addLabel(CompactLabelToOrdinal.java:116)
> at
> org.apache.lucene.facet.taxonomy.writercache.cl2o.Cl2oTaxonomyWriterCache.put(Cl2oTaxonomyWriterCache.java:84)
> at
> org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.addToCache(DirectoryTaxonomyWriter.java:592)
> at
> org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.addCategoryDocument(DirectoryTaxonomyWriter.java:551)
> at
> org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.internalAddCategory(DirectoryTaxonomyWriter.java:501)
> at
> org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.internalAddCategory(DirectoryTaxonomyWriter.java:494)
> at
> org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.addCategory(DirectoryTaxonomyWriter.java:468)
> at
> org.apache.lucene.facet.index.FacetFields.addFields(FacetFields.java:175)
> at net.domain.NetstatIndexer.IndexJob.run(IndexJob.java:73)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
> Here is an example data entry which appears when the exception occurs...
> Location: nj
> LocalIP: 10.1.200.187
> RemoteIP: 41.161.197.166
> LocalPorts: [443]
> Connections: 1
> Times: [120]
> Timestamp: 2013-06-09T12:51:00.000-07:00
> States: ["Established"]
> And here is the the code stripped down to provide an example of how I am
> handling the facet/doc code.
>
> doc.add(new TextField("Location", ehost[0], Field.Store.YES));
> cats.add(new CategoryPath("Location", doc.get("Location")));
> doc.add(new TextField("LocalIP", (String) stat.get("LocalIP"),
> Field.Store.YES));
> cats.add(new CategoryPath("LocalIP", doc.get("LocalIP")));
> doc.add(new TextField("RemoteIP", (String) stat.get("RemoteIP"),
> Field.Store.YES));
> cats.add(new CategoryPath("RemoteIP", doc.get("RemoteIP")));
> doc.add(new TextField("LocalPorts", StringUtils.join(stat.get("LocalPorts"),
> ","), Field.Store.YES));
> cats.add(new CategoryPath("LocalPorts", doc.get("LocalPorts")));
> doc.add(new TextField("RemotePorts",
> StringUtils.join(stat.get("RemotePorts"), ","), Field.Store.YES));
> cats.add(new CategoryPath("RemotePorts", doc.get("RemotePorts")));
> doc.add(new LongField("Connections", (Long) stat.get("Connections"),
> Field.Store.YES));
> cats.add(new CategoryPath("Connections", doc.get("Connections")));
> doc.add(new TextField("Times", StringUtils.join(stat.get("Times"), ","),
> Field.Store.YES));
> cats.add(new CategoryPath("Times", doc.get("Times")));
> doc.add(new TextField("Timestamp", (String) stat.get("Timestamp"),
> Field.Store.YES));
> cats.add(new CategoryPath("Timestamp", doc.get("Timestamp")));
> doc.add(new TextField("States", StringUtils.join(stat.get("States"), ","),
> Field.Store.YES));
> cats.add(new CategoryPath("States", doc.get("States")));
> System.out.println("Location: "+doc.get("Location")+" LocalIP:
> "+doc.get("LocalIP")+" RemoteIP: "+doc.get("RemoteIP")+" LocalPorts:
> "+doc.get("LocalPorts")+" Connections: "+doc.get("Connections")+" Times:
> "+doc.get("Times")+" Timestamp: "+doc.get("Timestamp")+" States:
> "+doc.get("States"));
> if (cats.size()!=0) {
> FacetFields ff = new FacetFields(Main.twriter);
> ff.addFields(doc, cats); // <-- Exception occurs here randomly
> }
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