Getting null pointer exception in IDA call

[iqbalhyd]

Hi,

I am using SmartGwt EE 2.4 and IE8 at client side.

Getting null pointer exception while making IDA call for a huge amount of data to save/send from client (browser).

This issue is only happening when saving large volume of data, working fine with other conditions. the application is trying to save jason encoded html string.

Its being observed in Fiddler that there are no post parameters being passed in the IDA request (only for this perticular situation).

thanks and regards,
Iqbal

following is the stack trace:
==========================================================
=== 2011-04-07 15:21:00,622 [or20] INFO RequestContext - URL: '/conflict/confli
ctsreview/sc/IDACall', User-Agent: 'Mozilla/4.0 (compatible; MSIE 7.0; Windows N
T 5.1; Trident/4.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727; In
foPath.1; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)': M
SIE with Accept-Encoding header, ready for compressed JS
=== 2011-04-07 15:21:00,653 [or20] ERROR IDACall - Top-level servlet error:
java.lang.NullPointerException
at org.apache.catalina.connector.Request.parseParameters(Request.java:23
40)
at org.apache.catalina.connector.Request.getParameter(Request.java:996)
at org.apache.catalina.connector.RequestFacade.getParameter(RequestFacad
e.java:343)
at javax.servlet.ServletRequestWrapper.getParameter(ServletRequestWrappe
r.java:157)
at com.isomorphic.rpc.RPCManager.initLog(RPCManager.java:329)
at com.isomorphic.rpc.RPCManager.<init>(RPCManager.java:284)
at com.isomorphic.rpc.RPCManager.<init>(RPCManager.java:271)
at com.isomorphic.servlet.IDACall.processRequest(IDACall.java:90)
at com.isomorphic.servlet.IDACall.doPost(IDACall.java:54)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at com.isomorphic.servlet.BaseServlet.service(BaseServlet.java:152)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at com.barcap.gsdc.commons.filter.ResponseHeaderFilter.doFilter(Response
HeaderFilter.java:42)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at com.barcap.compliance.conflict.authorization.servletfilter.Authorizat
ionFilter.doFilter(AuthorizationFilter.java:41)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at com.wedgetail.idm.sso.AuthFilter.doFilter(AuthFilter.java:149)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Thread.java:595)

[rbhuta]

One of the possible causes may be that there is a limit on the amount of Data that can be sent in a Request. For Tomcat , the default limit is set to 2MB , you can tweak this property to suit your requirement.

Hope this helps.