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https://issues.apache.org/jira/browse/NUTCH-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chris A. Mattmann resolved NUTCH-2154.
--------------------------------------
Resolution: Fixed
Thanks Sujen! Thanks Aron!
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[chipotle:~/tmp/nutch1.11] mattmann% svn commit -m "Fix for NUTCH-2154 Nutch
REST API (DB) suffering NullPointerException contributed by Sujen Shah."
Sending CHANGES.txt
Sending src/java/org/apache/nutch/service/model/request/DbQuery.java
Sending src/java/org/apache/nutch/service/resources/DbResource.java
Transmitting file data ...
Committed revision 1711565.
[chipotle:~/tmp/nutch1.11] mattmann%
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> Nutch REST API (DB) suffering NullPointerException
> --------------------------------------------------
>
> Key: NUTCH-2154
> URL: https://issues.apache.org/jira/browse/NUTCH-2154
> Project: Nutch
> Issue Type: Bug
> Components: REST_api
> Affects Versions: 1.11
> Reporter: Aron Ahmadia
> Assignee: Chris A. Mattmann
> Priority: Minor
> Labels: memex
> Fix For: 1.11
>
> Attachments: NUTCH-2154.patch
>
>
> Not sure what's causing this. I tried this request both before and after a
> crawl had completed.
> nutch.py: POST Endpoint: /db/crawldb
> nutch.py: POST Request data: {'type': 'stats', 'crawlId':
> 'crawl_aahmadia_2015-10-28T13_17_15.034351', 'confId': 'default'}
> nutch.py: POST Request headers: {'Accept': 'application/json'}
> nutch.py: Response headers: {'Date': 'Wed, 28 Oct 2015 17:18:54 GMT',
> 'Content-Length': '0', 'Server': 'Jetty(8.1.15.v20140411)'}
> nutch.py: Response status: 500
> nutch log:
> java.lang.NullPointerException
> at org.apache.nutch.crawl.CrawlDbReader.query(CrawlDbReader.java:747)
> at
> org.apache.nutch.service.resources.DbResource.crawlDbStats(DbResource.java:95)
> at
> org.apache.nutch.service.resources.DbResource.readdb(DbResource.java:52)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at
> org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:181)
> at
> org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:97)
> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:200)
> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:99)
> at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59)
> at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:251)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:261)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1088)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1024)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> at org.eclipse.jetty.server.Server.handle(Server.java:370)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
> at
> org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> at java.lang.Thread.run(Thread.java:745)
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