打开lucene索引时出错：映射失败 [英] Error when opening a lucene index: Map failed

问题描述

我尝试使用1,2,3,4 GB的内存启动进程但仍然遇到相同的错误。有小费吗？ gc日志显示它运行GC，即使它有足够的内存。但是这个错误可能与使用NIO的内存映射文件有关。以前有人见过这样的事吗？如果是这样，你是如何解决它的？

I have tried starting the process with 1,2,3,4 GB of memory but still get the same error. Any tips? The gc log shows that its running the GC even though it has enough memory. But probably this error has something to do with the memory mapped files using NIO. Anybody has seen anything like this before? And if so, how did you solve it?

$ java -d64 -server -Xmx15g -Xms15g -XX:+UseConcMarkSweepGC  -verbose:gc -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/home/frank/heap.dmp  -jar lukeall-3.5.0.jar 
    [Full GC 207648K->28758K(15660544K), 0.1105290 secs]
    [Full GC 61479K->15416K(15660544K), 0.0654310 secs]
    [Full GC 69950K->15418K(15660544K), 0.0717170 secs]
    [Full GC 69952K->15418K(15660544K), 0.0661720 secs]
    java.io.IOException: Map failed
        at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:849)
        at org.apache.lucene.store.MMapDirectory$MMapIndexInput.<init>(MMapDirectory.java:265)
        at org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:216)
        at org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:89)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:115)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:93)
        at org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:113)
        at org.apache.lucene.index.DirectoryReader$1.doBody(DirectoryReader.java:83)
        at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:754)
        at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:75)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:462)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:377)
        at org.getopt.luke.Luke.openIndex(Unknown Source)
        at org.getopt.luke.Luke.openOk(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at thinlet.Thinlet.invokeImpl(Unknown Source)
        at thinlet.Thinlet.invoke(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Component.java:4861)
    Caused by: java.lang.OutOfMemoryError: Map failed
        at sun.nio.ch.FileChannelImpl.map0(Native Method)
        at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:846)
        ... 48 more

推荐答案

ulimit -v unlimited

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