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