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https://issues.apache.org/jira/browse/CONNECTORS-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809005#comment-13809005
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Karl Wright commented on CONNECTORS-796:
----------------------------------------
User says: "I've fetched a stack trace at the point where previousContext is
null for the first time. After that, the currentContext will be set to null and
this leads to the error described.
Maybe this helps:"
{code}
Daemon Thread [Worker thread '42'] (Suspended (entry into method endElement in
XMLParsingContext))
RSSConnector$OuterContextClass(XMLParsingContext).endElement(String, String,
String) line: 109
XMLFuzzyHierarchicalParseState.noteEndTagEx(String, String, String) line: 110
XMLFuzzyHierarchicalParseState(XMLFuzzyParseState).noteEndTag(String) line: 131
XMLFuzzyHierarchicalParseState(TagParseState).dealWithCharacter(char) line: 755
XMLFuzzyHierarchicalParseState(SingleCharacterReceiver).dealWithCharacters(Reader)
line: 51
DecodingByteReceiver.dealWithBytes(InputStream) line: 48
BOMEncodingDetector.dealWithRemainder(byte[], int, int, InputStream) line: 248
BOMEncodingDetector(SingleByteReceiver).dealWithBytes(InputStream) line: 52
Parser.parseWithCharsetDetection(String, InputStream, CharacterReceiver) line:
82
RSSConnector.handleRSSFeedSAX(String, IProcessActivity, RSSConnector$Filter)
line: 3481
RSSConnector.processDocuments(String[], String[], IProcessActivity,
DocumentSpecification, boolean[], int) line: 1256
WorkerThread.run() line: 559
{code}
> RSS connector: Null pointer exception for some feeds
> ----------------------------------------------------
>
> Key: CONNECTORS-796
> URL: https://issues.apache.org/jira/browse/CONNECTORS-796
> Project: ManifoldCF
> Issue Type: Bug
> Components: RSS connector
> Affects Versions: ManifoldCF 1.3
> Reporter: Karl Wright
> Assignee: Karl Wright
> Priority: Critical
> Fix For: ManifoldCF 1.5
>
>
> Here's the exception:
> {code}
> [2013-10-30 10:16:43,207|FATAL|Worker thread
> '2'|org.apache.manifoldcf.crawler.system.WorkerThread::run()|925 ] - Error
> tossed: null
> java.lang.NullPointerException
> at
> org.apache.manifoldcf.core.fuzzyml.XMLFuzzyHierarchicalParseState.cleanup(XMLFuzzyHierarchicalParseState.java:86)
> at
> org.apache.manifoldcf.crawler.connectors.rss.RSSConnector.handleRSSFeedSAX(RSSConnector.java:3487)
> at
> org.apache.manifoldcf.crawler.connectors.rss.RSSConnector.processDocuments(RSSConnector.java:1256)
> at
> org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:559)
> {code}
> This is the feed: http://blog.fme.de/feed
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