HI Leon
Thanks for ur reply to my query , >or, on windows, in catalina.bat > >JAVA_OPTS="-mx256M -ms256M -XX:MaxPermSize=256m" > I added the above in my catalina.bat as JAVA_OPTS="-mx1024M -ms1024M -XX:MaxPermSize=256m , I got some improovement As u know that iam running 30 threads with requests in jmeter , previosly in monitor results I used to see the server state as dead state, Now im getting healthy state atleast ,but some of the requests are still failing , I mean failed requests are showing Out of memory error , and test is failing in short time its not runing long time , when I saw in tomcat status using http://localhost:8080/manager/status Im still getting the 64m memory ,so where can I check for the correct memory , is there any more suggestion to get rid of this Out of memory error , Coming to technology im using normal jdbc with datasource connection , and here is my context.xml configuration <Resource name="jdbc/TestDB" auth="Container" type="javax.sql.DataSource" maxActive="1000" maxIdle="300" maxWait="-1" username="root" password="satyam" driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/extravert?autoReconnect=true"/> And thread setting configuaration in server.xml is like this <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" maxHttpHeaderSize="8192" maxProcessors="150" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" acceptCount="150" disableUploadTimeout="true" /> And here is my failed request error output from jmeter <html><head><title>Apache Tomcat/6.0.18 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D7 6;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D7 6;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D7 6;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white; } B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D7 6;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-s ize:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - </h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u></u></p><p><b>description</b> <u>The server encountered an internal error () that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>javax.servlet.ServletException: Servlet execution threw an exception </pre></p><p><b>root cause</b> <pre>java.lang.OutOfMemoryError: Java heap space java.util.Arrays.copyOf(Arrays.java:2882) java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.jav a:100) java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390) java.lang.StringBuilder.append(StringBuilder.java:119) com.nokia.buddyradar.parser.LocationXMLCreator.xmlToByteArray(LocationXM LCreator.java:189) com.nokia.buddyradar.webapi.WebApiServlet.convertXml(WebApiServlet.java: 154) com.nokia.buddyradar.webapi.WebApiServlet.doGet(WebApiServlet.java:109) javax.servlet.http.HttpServlet.service(HttpServlet.java:617) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) </pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/6.0.18</h3></body></html> Is there any wrong in my settings , or any suggestions , can somebody help me pls ?????? Regards Narsi >-----Original Message----- >From: ext Leon Rosenberg [mailto:rosenberg.l...@googlemail.com] >Sent: Tuesday, December 30, 2008 4:22 PM >To: Tomcat Users List >Subject: Re: How to increase the tomcat heap memory > >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.j >> av >> 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(Location >> XM >> LCreator.java:189) >> at >> >com.nokia.buddyradar.webapi.WebApiServlet.convertXml(WebApiServ >let.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(Appli >> ca >> tionFilterChain.java:290) >> at >> >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi >> lt >> erChain.java:206) >> at >> >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVa >> lv >> e.java:233) >> at >> >org.apache.catalina.core.StandardContextValve.invoke(StandardContextVa >> lv >> e.java:191) >> at >> >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.ja >> va >> :128) >> at >> >org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.ja >> va >> :102) >> at >> >org.apache.catalina.core.StandardEngineValve.invoke(StandardEng >ineValve. >> 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$Http11ConnectionHandler.pro >> ce >> ss(Http11AprProtocol.java:565) >> at >> >org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.j >ava: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.j >ava: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(Location >> XM >> LCreator.java:186) >> at >> >com.nokia.buddyradar.webapi.WebApiServlet.convertXml(WebApiServ >let.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(Appli >> ca >> tionFilterChain.java:290) >> at >> >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi >> lt >> erChain.java:206) >> at >> >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVa >> lv >> e.java:233) >> at >> >org.apache.catalina.core.StandardContextValve.invoke(StandardContextVa >> lv >> e.java:191) >> at >> >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.ja >> va >> :128) >> at >> >org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.ja >> va >> :102) >> at >> >org.apache.catalina.core.StandardEngineValve.invoke(StandardEng >ineValve. >> 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.pro >> ce >> 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 >> > >--------------------------------------------------------------------- >To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >For additional commands, e-mail: users-h...@tomcat.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
