Have you considered using Lambda Probe for tracking tomcat memory use details? Give it a try, maybe you'll be able to find alive object references that could be garbage collected.
http://www.lambdaprobe.org/ -----Mensagem original----- De: news [mailto:[EMAIL PROTECTED] Em nome de Morten Enviada em: terça-feira, 21 de agosto de 2007 09:11 Para: users@tomcat.apache.org Assunto: Re: Memory problems >> Are there any way to stop Tomcat from cached these large byte[] >> internally? >> The ByteChunks are referenced from IntermediateOutputstream, >> C2BConverter and OutputBuffer. >Hmm. Those are all Tomcat util classes, so they're almost certainly >held by something else. Can you find out what's holding on to those >instances, and make sure the chain of references goes entirely through >Tomcat rather than via JBoss, your webapp or something you've cached in >your session? > The graph looks like this: The byte[] is referenced from: - ByteChunk (A) - ByteChunk (B) ByteChunk (A) is referenced by: - org.apache.tomcat.util.buf.C2BConverter (AA) - org.apache.tomcat.util.buf.IntermediateOutputStream (AB) - org.apache.catalina.connector.OutputBuffer (AC) ByteChunk (B) is referenced by: - org.apache.catalina.connector.OutputBuffer (AC) C2BConverter (AA) is referenced by: - HashMap$Entry (AAA) - org.apache.catalina.connector.OutputBuffer (AC) IntermediateOutputStream (AB) is referenced by: - org.apache.tomcat.util.buf.C2BConverter (AA) - org.apache.tomcat.util.buf.WriteConvertor (ABA) - sun.nio.cs.StreamEnocder (ABB) OutputBuffer (AC) is referenced by: - org.apache.catalina.conncetor.CoyoteOutputStream (ACA) - org.apache.catalina.connector.CoyoteWriter (ACB) - org.apache.catalina.connector.Response (ACC) HashMap$Entry (AAA) is referenced by: - <class>[] org.apache.catalina.conncetor.CoyoteOutputStream (ACA) is referenced by: - org.apache.catalina.connector.Response (ACC) org.apache.catalina.connector.CoyoteWriter (ACB) is referenced by: - org.apache.catalina.connector.Response (ACC) org.apache.catalina.connector.Response (ACC) is referenced by: - org.apache.catalina.connector.ResponseFacade (ACCA) - <class>[] (ACCB) - org.apache.catalina.connector.Request (ACCC) I cannot find any trace of any JBoss or any webapp class. Best regards, Morten --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
