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Servlet Error - Null Java.lang.outofmemoryerror

How to solve java.lang.OutOfMemoryError: PermGen space As explained in above paragraph this OutOfMemory error in java comes when Permanent generation of heap filled up. Alternatively, we suggest Plumbr, the only Java monitoring solution with automatic root cause detection. SystemAdmin 110000D4XK ‏2007-11-28T17:53:12Z I detected the problem. You can read more about visualgc and vmid options here. 2) Jmap Jmap is a command line utility comes with JDK6 and allows you to take a memory dump of the his comment is here

Tomcat has good support to detect memory leak and warn agaginst unregisted JDBC driver which can cause java.lang.OutOfMemoryError:PermGen Space October 1, 2011 at 8:11 PM Jess said... You can use Eclipse Memory Analyzer to examine your heap dump or you can use any profiler like Netbeans or JProbe. to fix this review your code and fix the cause or else you can try by increasing maximum heap size using -Xmx. US Headquarters MentorMate3036 Hennepin Avenue Minneapolis, MN 55408 (612) 823-4000 Bulgaria MentorMate 67 Prof.

How did you find the bug ? So java doesn't have to read in the entire file to process it, just a record at time. Thanks P.S.

Wkr, Sven Vermeulen Log in to reply. any help June 11, 2012 at 7:48 PM James said... @Kavita, try to remove -Xnoclassgc parameters as it prevent classes from PermGen not to be garbage collected which results in java.lang.OutOfMemoryError: You can also specify initial size of Perm space by using "-XX: PermSize" and keeping both initial and maximum Perm Space you can prevent some full garbage collection which may occur On different note, post your query to jasper report forum, may be a setting or two missing.

How can i contact you to discuss about this code bug? Note that the java.lang.OutOfMemoryError: GC overhead limit exceeded error is only thrown when 2% of the memory is freed after several GC cycles. posted by Geert Bevin on Apr 21, 2005 4:36 PM Re: How I got rid of java.lang.OutOfMemoryError on our server if your perm space is filling up, you could have a Be prepared to get a few dumps, as when taken at a wrong time, heap dumps contain a significant amount of noise and can be practically useless.

SystemAdmin 110000D4XK 37421 Posts Re: Uncaught exception thrown in one of the service methods of the servlet ‏2009-03-02T10:28:58Z This is the accepted answer. SystemAdmin 110000D4XK ‏2007-11-28T17:53:12Z I detected the problem. Does that mean you’re done? Can anyone help us?

Here is a rough process outline that will help you answer the above questions: Get clearance for acquiring a heap dump from your JVM-to-troubleshoot. “Dumps” are basically snapshots of heap contents http://rifers.org/blogs/gbevin/2005/4/21/get_rid_of_outofmemoryerror Hello, We are getting "java.lang.OutOfMemoryError: thread creation failed" in Eclipse IDE while working on Android application. September 28, 2011 at 10:53 PM Anonymous said... With this much information its easy to diagnose any memory leak in Java, but as you said most of the time just increasing size of heap or permgen memory area.

September 28, 2011 at 6:01 AM Anonymous said... this content Manually triggering heap dump If you do not want to wait for an OOM or if you just want to see what is in memory now, you can manually generate heap Jhat is also a command line utility and you can run it from cmd window as shown below: jhat -J-Xmx256m heapdump Here it will analyze memory dump contained in file "heapdump". On an 64 bit OS - the setting for the JvmHeapSizeMin should be 1024 and the JvmHeapSizeMax should be set to 2.5 gb.(2560) or more for optimal performance.

If 32-bit or 64-bit version is installed. Exception thrown : java.lang.OutOfMemoryError at pt.tmn.factura.rdf.segunda_via.creation.ReportCreatorDocument.criarDataSources(ReportCreatorDocument.java:1632) at pt.tmn.factura.rdf.segunda_via.creation.ReportCreatorDocument.createReport(ReportCreatorDocument.java:93) at pt.tmn.factura.rdf.segunda_via.creation.ReportCreatorDocument.(ReportCreatorDocument.java:82) at pt.tmn.factura.rdf.segunda_via.servlet.ServletExtracto.proceedResquest(ServletExtracto.java:57) at pt.tmn.factura.rdf.segunda_via.servlet.ServletExtracto.doGet(ServletExtracto.java:30) at javax.servlet.http.HttpServlet.service(HttpServlet.java:743) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) (...) Thanks, Nuno P.S. September 27, 2011 at 5:59 PM JP @ java.lang.unsupportedclassversionerror said... weblink Could someone please help on this?

And, indeed, when we launch the above program with: java -Xmx100m -XX:+UseParallelGC Wrapper we soon face the java.lang.OutOfMemoryError: GC overhead limit exceeded message. posted by Geert Bevin on Apr 21, 2005 3:13 PM Re: How I got rid of java.lang.OutOfMemoryError on our server Well, if your app or libraries it depends on do dynamic I think if I increased the size assigned that may reduce the frequency of my OutOfMemoryError.

What is causing it?

The database itself uses around 12GB of RAM. –ans_Learning..... Another reason of OutOfMemoryError in PermGen space is if any thread started by the application doesn't exit when you undeploy your application. Next, you need to figure out where in your source code the potentially hazardous large amount of objects is being allocated. Hi, I have an similar problem.

February 18, 2014 at 5:52 AM Amit kr. If it is not possible to enhance the (3rd party?) code so that it does not do that, but instead immediately processes it, then rather configure/use commons FileUpload so that it After a SELECT length(‘field') command, we estimated that the biggest field data is about 1 MB! http://internetmairie.com/servlet-error/servlet-error-null-java-lang-nullpointerexception.html We are having the same problem.

Updated on 2008-01-24T10:23:11Z at 2008-01-24T10:23:11Z by SystemAdmin SystemAdmin 110000D4XK 37421 Posts Re: java.lang.OutOfMemoryError causes crash ‏2008-01-24T11:07:50Z This is the accepted answer. Use the -Xmx to change the maximum memory heap size of your JVM. (thank you Software Monkey) You can make this to see what is the size of the jvm memory: Fire up dump analysis software (we recommend Eclipse MAT, but there are also equally good alternatives available). Harrykirsten 2700011UDM 1 Post Re: java.lang.OutOfMemoryError causes crash ‏2011-05-19T16:16:16Z This is the accepted answer.

This is tough solution and requires some time to analyze and find memory leaks. Topic Forum Directory >‎ WebSphere >‎ Forum: WebSphere Application Server >‎ Topic: java.lang.OutOfMemoryError causes crash 13 replies Latest Post - ‏2011-05-19T16:16:16Z by Harrykirsten Display:ConversationsBy Date 1-14 of 14 Previous Next SystemAdmin Where I can learn Esperanto by Spanish? Version: Websphere Application Server v6.1.0.5 Admin Console, Servers -> Application servers -> servername -> Process Definition -> Java Virtual Machine Ken Log in to reply.

Hi, what is the solution for this error above? Start your 14-day free trial now However, when your conclusion from memory analysis or from reading the Plumbr report are that memory use is legal and there is nothing to change Give me an example What is the solution? How to solve java.lang.OutOfMemoryError: Java heap space 1) An easy way to solve OutOfMemoryError in java is to increase the maximum heap size by using JVM options "-Xmx512M", this will immediately

the core contains about 47M names. when i am using same apllication in Tomcat 6 we can download the file with out erorr. If I go to other pages/module and execute a search (with results even for thousands of records) and then go back to the problematic page,I will get results in a blink. share|improve this answer answered Feb 25 '10 at 19:10 Brian 5,38911939 add a comment| up vote 3 down vote Best fix would be to enhance the code so that it does

To fix this OutOfMemoryError in Java, you need to increase heap size of Perm space by using JVM option "-XX: MaxPermSize". Allow the JVM to use more memory With the -Xmx JVM argument, you can set the heap size. June 13, 2012 at 1:22 AM Anonymous said... I tryed to restart all the services but the error comes out again!

You can also use visualgc for monitoring PermGen space, this tool will show the graph of PermGen space and you can see how and when Permanent space getting increased.