Hi,
After calling webdav search command where search query is: "//element(*,
corona:directory)", I received the following exception:
15.12.2006 13:01:35 *ERROR* SearchResourceImpl: exception while
retrieving values from client row (SearchResourceImpl.java, line 171)
java.lang.NullPointerException
at
org.apache.jackrabbit.rmi.value.StatefulValueAdapter.getType(StatefulVal
ueAdapter.java:98)
at
org.apache.jackrabbit.rmi.value.SerialValue.<init>(SerialValue.java:65)
at
org.apache.jackrabbit.rmi.value.SerialValueFactory.makeSerialValue(Seria
lValueFactory.java:100)
at
org.apache.jackrabbit.rmi.value.SerialValueFactory.makeSerialValueArray(
SerialValueFactory.java:77)
at
org.apache.jackrabbit.rmi.server.ServerRow.getValues(ServerRow.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
at sun.rmi.transport.Transport$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown
Source)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown
Source)
at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at
org.apache.jackrabbit.rmi.server.ServerRow_Stub.getValues(Unknown
Source)
at
org.apache.jackrabbit.rmi.client.ClientRow.getValues(ClientRow.java:53)
at
org.apache.jackrabbit.webdav.jcr.search.SearchResourceImpl.queryResultTo
MultiStatus(SearchResourceImpl.java:169)
at
org.apache.jackrabbit.webdav.jcr.search.SearchResourceImpl.search(Search
ResourceImpl.java:86)
at
org.apache.jackrabbit.webdav.jcr.AbstractResource.search(AbstractResourc
e.java:622)
at
org.apache.jackrabbit.server.AbstractWebdavServlet.doSearch(AbstractWebd
avServlet.java:1017)
at
org.apache.jackrabbit.server.AbstractWebdavServlet.execute(AbstractWebda
vServlet.java:271)
at
org.apache.jackrabbit.server.AbstractWebdavServlet.service(AbstractWebda
vServlet.java:187)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
48)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
9)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc
essConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:684)
at java.lang.Thread.run(Unknown Source)
What is the reason of such exception?
I tested this query with the JCR Browser and it returned valid results.
To get any response I surrounded row.getValues with try-catch inside
org.apache.jackrabbit.webdav.jcr.search.SearchResourceImpl.queryResultTo
MultiStatus (plus do not instantiate SearchResultProperty if there are
no values) - after this I received such response:
207 Multi-Status
content-type: text/xml;charset=UTF-8
date: Fri, 15 Dec 2006 12:01:35 GMT
content-length: 1331
server: Apache-Coyote/1.1
<?xml version="1.0" encoding="UTF-8"?>
<D:multistatus xmlns:D="DAV:">
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/DemoDirectory/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/DemoDirectory/edka4/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/DemoDirectory_copy/edka4/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/test2/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/test/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/</D:href>
</D:response>
<D:response>
<D:href>http://localhost:8080/org.eclipse.corona.jackrabbit.web/server/J
ackrabbitDemoWorkspace/corona%3aroot/DemoDirectory_copy/</D:href>
</D:response>
</D:multistatus>
Best regards
Edyta
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