There's nothing wrong with the client code. The exception is thrown in
the servlet. Quite possible that there is an unknown bug because
nobody ever tried to get a range out of Slide before you.
Would you file a bug report in Bugzilla, please.
Regards,
Ingo
> hi,
>
> I read the WebdavSource class and try to write my own getMethod() method. I
> add a new line to get some part of a file, not the whole file, by
> setRequestHeader("Range","byte = XXX-XXX"). But the new getMehtod does work
> correctly after I add this new line. If I delete the new line, the method
> works ok. So I wonder is it a bug of client API??
>
> my code is here:
>
> HttpURL hrl = new
> HttpURL("http://localhost:8080/slide/files/test.text";);
> hrl.setUserinfo(username,password);
> WebdavResource wdr = new WebdavResource(hrl);
> try{
> HttpClient client = wdr.getSessionInstance(hrl);
>
> GetMethod getMethod = new
> GetMethod(URIUtil.encodePathQuery("http://localhost:8080/slide/files/test.text";));
> getMethod1.setRequestHeader("Range", "bytes="0-1024");
> int status1 = client.executeMethod(getMethod);
> if (status1 == 206) {
> InputStream in = getMethod1.getResponseBodyAsStream();
> int len = (int)(1024);
> byte[] filePart = new byte[len];
> in.read(filePart);
> in.close() ;
> }
>
>
> wdr.close() ;
> }
> catch(Exception e){
> wdr.close() ;
> }
>
> The exception is following:
>
> 10:18:53,195 ERROR [Engine] StandardWrapperValve[webdav]: Servlet.service()
> for servlet webdav threw exception
> java.lang.NullPointerException
> at java.lang.StringBuffer.replace(StringBuffer.java:717)
> at
> org.apache.slide.webdav.filter.LogFilter.logLine(LogFilter.java:184)
> at
> org.apache.slide.webdav.filter.LogFilter.doFilter(LogFilter.java:150)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at
> org.jboss.web.catalina.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:227)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:551)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:509)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
> at java.lang.Thread.run(Thread.java:534)
>
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