org.apache.lucene.index.MergePolicy$MergeException

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  • org.apache.lucene.index.MergePolicy$MergeException: java.nio.file.FileSystemException: /usr/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-5.x/lucene/build/core/test/J3/temp/lucene.index.TestDemoParallelLeafReader 78910BB799798171-001/tempDir-002/segs/6za9dzr2yvnqeaarom3jvpywn_41: Too many open files at __randomizedtesting.SeedInfo.seed([78910BB799798171]:0) at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:611) at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:581) Caused by: java.nio.file.FileSystemException: /usr/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-5.x/lucene/build/core/test/J3/temp/lucene.index.TestDemoParallelLeafReader 78910BB799798171-001/tempDir-002/segs/6za9dzr2yvnqeaarom3jvpywn_41: Too many open files at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:49) at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:84) at org.apache.lucene.mockfile.HandleTrackingFS.newDirectoryStream(HandleTrackingFS.java:298) at java.nio.file.Files.newDirectoryStream(Files.java:545) at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:171) at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:191) at org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:1000) at org.apache.lucene.index.DirectoryReader.indexExists(DirectoryReader.java:288) at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:787) at org.apache.lucene.index.TestDemoParallelLeafReader$3.reindex(TestDemoParallelLeafReader.java:823) at org.apache.lucene.index.TestDemoParallelLeafReader$ReindexingReader.getParallelLeafReader(TestDemoParallelLeafReader.java:397) at org.apache.lucene.index.TestDemoParallelLeafReader$ReindexingReader.getCurrentReader(TestDemoParallelLeafReader.java:161) at org.apache.lucene.index.TestDemoParallelLeafReader$ReindexingReader$ReindexingMergePolicy$ReindexingOneMerge.getMergeReaders(TestDemoParallelLeafReader.java:535) at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3958) at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3559) at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:519) at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:557)
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