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https://issues.apache.org/jira/browse/LUCENE-2497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shai Erera resolved LUCENE-2497.
--------------------------------

         Assignee: Shai Erera
    Fix Version/s: 4.0
       Resolution: Fixed

Committed revision 953986. Thanks Kevin !

> Revision 949509 (LUCENE-2480) causes IOE "read past EOF" when processing 
> older format SegmentInfo data when JVM assertion processing is disabled.
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-2497
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2497
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 4.0
>         Environment: Any JVM running without assertions enabled (such as 
> Tomcat by default)
>            Reporter: Kevin Dana
>            Assignee: Shai Erera
>             Fix For: 4.0
>
>
> At revision 949509 in org.apache.lucene.index.SegmentInfo at line 155, there 
> is the following code:
> {noformat} 
>     if (format > SegmentInfos.FORMAT_4_0) {
>       // pre-4.0 indexes write a byte if there is a single norms file
>       assert 1 == input.readByte();
>     }
> {noformat} 
> Note that the assert statement invokes input.readByte().
> If asserts are disabled for the JVM, input.readByte() will not be invoked, 
> causing the following readInt() to return a bogus value, and then causing an 
> IOE during the (mistakenly entered) loop at line 165.
> This can occur when processing old format (format "-9") index data under 
> Tomcat (whose startup scripts by default do not turn on asserts).
> Full stacktrace:
> {noformat} 
> SEVERE: java.lang.RuntimeException: java.io.IOException: read past EOF
>       at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1066)
>       at org.apache.solr.core.SolrCore.<init>(SolrCore.java:581)
>       at org.apache.solr.core.CoreContainer.create(CoreContainer.java:431)
>       at org.apache.solr.core.CoreContainer.load(CoreContainer.java:286)
>       at 
> org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:125)
>       at 
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:86)
>       at 
> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
>       at 
> org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
>       at 
> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
>       at 
> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)
>       at 
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)
>       at 
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
>       at 
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
>       at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
>       at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:850)
>       at 
> org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:724)
>       at 
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:493)
>       at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
>       at 
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
>       at 
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
>       at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
>       at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
>       at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>       at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>       at 
> org.apache.catalina.core.StandardService.start(StandardService.java:516)
>       at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
>       at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:597)
>       at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
>       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
> Caused by: java.io.IOException: read past EOF
>       at 
> org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.java:154)
>       at 
> org.apache.lucene.store.BufferedIndexInput.readByte(BufferedIndexInput.java:39)
>       at 
> org.apache.lucene.store.ChecksumIndexInput.readByte(ChecksumIndexInput.java:40)
>       at org.apache.lucene.store.DataInput.readInt(DataInput.java:76)
>       at org.apache.lucene.store.DataInput.readLong(DataInput.java:99)
>       at org.apache.lucene.index.SegmentInfo.<init>(SegmentInfo.java:165)
>       at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:230)
>       at 
> org.apache.lucene.index.DirectoryReader$1.doBody(DirectoryReader.java:91)
>       at 
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:649)
>       at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:87)
>       at org.apache.lucene.index.IndexReader.open(IndexReader.java:415)
>       at org.apache.lucene.index.IndexReader.open(IndexReader.java:294)
>       at 
> org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:38)
>       at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1055)
>       ... 32 more
> {noformat} 

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