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Posted to dev@tika.apache.org by "Rob Tulloh (JIRA)" <ji...@apache.org> on 2012/06/05 22:00:23 UTC
[jira] [Closed] (TIKA-933) Tika in server mode stops responding and
reports NPE over and over in logs
[ https://issues.apache.org/jira/browse/TIKA-933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Tulloh closed TIKA-933.
---------------------------
Resolution: Duplicate
Web server stopped responding. Duplicate of TIKA-934
> Tika in server mode stops responding and reports NPE over and over in logs
> --------------------------------------------------------------------------
>
> Key: TIKA-933
> URL: https://issues.apache.org/jira/browse/TIKA-933
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.1
> Environment: CentOS 5.x
> Reporter: Rob Tulloh
> Priority: Critical
>
> We run tika in server mode via:
> /usr/java/jdk/bin/java -Dlog4j.app.name=-server -Djavax.xml.soap.MessageFactory=com.sun.xml.messaging.saaj.soap.ver1_1.SOAPMessageFactory1_1Impl -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=true -server -Xms256M -Xmx768M -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/oom/content-extractor-8983.dump.1 -server -Xms500M -Xmx500M -jar /opt/ems/ces/tika-app-1.1.jar --text --encoding=UTF-8 --server 8983
> Our client talks to this over port 8983. We pass data via the socket and get the responses back. However, sometimes, tika will get into a bad state and stop responding. When this happens, we see this in the logs:
> 2012-05-24_20:12:33.88573 Caused by: java.lang.NullPointerException
> 2012-05-24_20:12:33.88576 at org.apache.tika.sax.XHTMLContentHandler.lazyEndHead(XHTMLContentHandler.java:157)
> 2012-05-24_20:12:33.88580 at org.apache.tika.sax.XHTMLContentHandler.startElement(XHTMLContentHandler.java:237)
> 2012-05-24_20:12:33.88584 at org.apache.tika.sax.XHTMLContentHandler.startElement(XHTMLContentHandler.java:274)
> 2012-05-24_20:12:33.88589 at org.apache.tika.parser.microsoft.WordExtractor.handleParagraph(WordExtractor.java:186)
> 2012-05-24_20:12:33.88593 at org.apache.tika.parser.microsoft.WordExtractor.parse(WordExtractor.java:97)
> 2012-05-24_20:12:33.88597 at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:185)
> 2012-05-24_20:12:33.88602 at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:160)
> 2012-05-24_20:12:33.88606 at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> 2012-05-24_20:12:33.88611 ... 4 more
> 2012-05-24_20:12:49.28441 org.apache.tika.exception.TikaException: Unexpected RuntimeException from org.apache.tika.parser.microsoft.OfficeParse
> r@6906daba
> 2012-05-24_20:12:49.28458 at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244)
> 2012-05-24_20:12:49.28466 at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> 2012-05-24_20:12:49.28477 at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
> 2012-05-24_20:12:49.28489 at org.apache.tika.cli.TikaCLI$OutputType.process(TikaCLI.java:130)
> 2012-05-24_20:12:49.28497 at org.apache.tika.cli.TikaCLI$TikaServer$1.run(TikaCLI.java:735)
> 2012-05-24_20:12:49.28509 Caused by: java.lang.NullPointerException
> 2012-05-24_20:12:49.28516 at org.apache.tika.sax.XHTMLContentHandler.lazyEndHead(XHTMLContentHandler.java:157)
> 2012-05-24_20:12:49.28524 at org.apache.tika.sax.XHTMLContentHandler.startElement(XHTMLContentHandler.java:237)
> 2012-05-24_20:12:49.28532 at org.apache.tika.sax.XHTMLContentHandler.startElement(XHTMLContentHandler.java:274)
> 2012-05-24_20:12:49.28541 at org.apache.tika.parser.microsoft.WordExtractor.handleParagraph(WordExtractor.java:186)
> 2012-05-24_20:12:49.28550 at org.apache.tika.parser.microsoft.WordExtractor.parse(WordExtractor.java:97)
> 2012-05-24_20:12:49.28558 at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:185)
> 2012-05-24_20:12:49.28565 at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:160)
> 2012-05-24_20:12:49.28577 at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> 2012-05-24_20:12:49.28585 ... 4 more
> We have tried to figure out what causes this with no success. We only know that once the server gets into this state, there is no recourse but to restart the tika service.
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