Leon Rosenberg wrote:
> add following to your catalina.sh
Better to use setenv.sh rather than edit catalina.sh
> 
> export JAVA_OPTS="-mx256M -ms256M -XX:MaxPermSize=256m"
You should use CATALINA_OPTS rather than JAVA_OPTS in nearly all cases.
I haven't seen -mx and -ms referred to in the docs for a long time (although
they seem to work). It is usual to use -Xmx and -Xms.

> or, on windows, in catalina.bat
Again, use setenv.bat

> JAVA_OPTS="-mx256M -ms256M -XX:MaxPermSize=256m"
> 
> The values are only an example, the PermSize is optional if you have
> many classes/jsps.
Changing the PermSize appears to be unnecessary in this case - it is java heap
space the OP is running out of.

Mark

> 
> regards
> Leon
> 
> 
> On Tue, Dec 30, 2008 at 11:37 AM,  <ext-narsi.re...@nokia.com> wrote:
>>
>> Hi
>>
>>              Basically  im running  jmeter  with 30 threads with 3
>> requests with tomcat 6.0.18 , but tomcat is giving the Out of memory
>> error ,
>>  I want to increase Heap memory of tomcat , I tried  somany ways  but
>> it did not worked for me , it is  almost  1 week  for me ,
>>
>> can somebody  pls help me how to increase the heap memory of tomcat
>> 6.0.18 , and how can I check whether the memory is incresed or not ???
>>
>>
>> Here is sever error  code ,
>>
>> Dec 30, 2008 3:54:18 PM org.apache.catalina.core.StandardWrapperValve
>> invoke
>> SEVERE: Servlet.service() for servlet WebAPI threw exception
>> java.lang.OutOfMemoryError: Java heap space
>>        at java.util.Arrays.copyOf(Arrays.java:2882)
>>        at
>> java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.jav
>> a:100)
>>        at
>> java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
>>        at java.lang.StringBuilder.append(StringBuilder.java:119)
>>        at
>> com.nokia.buddyradar.parser.LocationXMLCreator.xmlToByteArray(LocationXM
>> LCreator.java:189)
>>        at
>> com.nokia.buddyradar.webapi.WebApiServlet.convertXml(WebApiServlet.java:
>> 154)
>>        at
>> com.nokia.buddyradar.webapi.WebApiServlet.doGet(WebApiServlet.java:109)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>        at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
>> tionFilterChain.java:290)
>>        at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
>> erChain.java:206)
>>        at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
>> e.java:233)
>>        at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
>> e.java:191)
>>        at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
>> :128)
>>        at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
>> :102)
>>        at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
>> java:109)
>>        at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:2
>> 86)
>>        at
>> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.j
>> ava:857)
>>        at
>> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.proce
>> ss(Http11AprProtocol.java:565)
>>        at
>> org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
>>        at java.lang.Thread.run(Thread.java:619)
>> Dec 30, 2008 3:54:18 PM org.apache.catalina.core.StandardWrapperValve
>> invoke
>> SEVERE: Servlet.service() for servlet WebAPI threw exception
>> java.lang.OutOfMemoryError: Java heap space
>>        at java.util.Arrays.copyOf(Arrays.java:2786)
>>        at
>> java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
>>        at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:202)
>>        at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:263)
>>        at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:106)
>>        at java.io.OutputStreamWriter.write(OutputStreamWriter.java:190)
>>        at java.io.BufferedWriter.flushBuffer(BufferedWriter.java:111)
>>        at java.io.BufferedWriter.write(BufferedWriter.java:212)
>>        at java.io.Writer.write(Writer.java:140)
>>        at
>> org.dom4j.io.XMLWriter.writeEscapeAttributeEntities(XMLWriter.java:1720)
>>        at org.dom4j.io.XMLWriter.writeAttributes(XMLWriter.java:1489)
>>        at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:937)
>>        at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
>>        at
>> org.dom4j.io.XMLWriter.writeElementContent(XMLWriter.java:1086)
>>        at org.dom4j.io.XMLWriter.writeElement(XMLWriter.java:954)
>>        at org.dom4j.io.XMLWriter.writeNode(XMLWriter.java:1301)
>>        at org.dom4j.io.XMLWriter.write(XMLWriter.java:344)
>>        at
>> com.nokia.buddyradar.parser.LocationXMLCreator.xmlToByteArray(LocationXM
>> LCreator.java:186)
>>        at
>> com.nokia.buddyradar.webapi.WebApiServlet.convertXml(WebApiServlet.java:
>> 154)
>>        at
>> com.nokia.buddyradar.webapi.WebApiServlet.doGet(WebApiServlet.java:109)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>        at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
>> tionFilterChain.java:290)
>>        at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
>> erChain.java:206)
>>        at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
>> e.java:233)
>>        at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
>> e.java:191)
>>        at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
>> :128)
>>        at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
>> :102)
>>        at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
>> java:109)
>>        at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:2
>> 86)
>>        at
>> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.j
>> ava:857)
>>        at
>> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.proce
>> ss(Http11AprProtocol.java:565)
>>  im in users block of readxml
>> datasource connection
>> jdbc:mysql://localhost:3306/extravert?autoReconnect=true,
>> username=r...@localhost, MySQL-AB JDBC Driver
>> datasource connection
>> jdbc:mysql://localhost:3306/extravert?autoReconnect=true,
>> username=r...@localhost, MySQL-AB JDBC Driver
>>  inserted in to location
>> tablejdbc:mysql://localhost:3306/extravert?autoReconnect=true,
>> username=r...@localhost, MySQL-AB JDBC Driver
>> datasource connection
>> jdbc:mysql://localhost:3306/extravert?autoReconnect=true,
>> username=r...@localhost, MySQL-AB JDBC Driver
>>
>>
>>
>> Thanks and Regards
>>
>> Narsi Reddy CH
>>
> 
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