add following to your catalina.sh export JAVA_OPTS="-mx256M -ms256M -XX:MaxPermSize=256m"
or, on windows, in catalina.bat JAVA_OPTS="-mx256M -ms256M -XX:MaxPermSize=256m" The values are only an example, the PermSize is optional if you have many classes/jsps. 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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