Tomcat: memory overflow

Article Title: tomcat: memory overflow problem. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

Symptom description:

The TOMCAT process is still running, but there is no response. As a result, the WEB page cannot be viewed ....

View logs:

/Usr/local/Tomcat_Front/logs/localhost.2007-07-01.log

# Vi localhost.2007-07-01.log

The keyword "OutOfMemoryError" is queried. The result is as follows:

2007-7-1 22:47:22 org. apache. catalina. core. ApplicationDispatcher invoke

Severe: Servlet. service () for servlet 51 auto threw exception

Java. lang. OutOfMemoryError: Java heap space

2007-7-1 22:47:22 org. apache. catalina. core. StandardWrapperValve invoke

Severe: Servlet. service () for servlet default threw exception

Java. lang. OutOfMemoryError: Java heap space

/OutOfMemoryError

At org. apache. catalina. core. ApplicationDispatcher. processRequest (ApplicationDispatcher. java: 463)

At org. apache. catalina. core. ApplicationDispatcher. doForward (ApplicationDispatcher. java: 398)

At org. apache. catalina. core. ApplicationDispatcher. forward (ApplicationDispatcher. java: 301)

At com. jiuxing. website. control. Control. service (Control. java: 54)

At javax. servlet. http. HttpServlet. service (HttpServlet. java: 802)

At org. apache. catalina. core. ApplicationFilterChain. internalDoFilter (ApplicationFilterChain. java: 252)

At org. apache. catalina. core. ApplicationFilterChain. doFilter (ApplicationFilterChain. java: 173)

At org. apache. catalina. core. ApplicationDispatcher. invoke (ApplicationDispatcher. java: 672)

At org. apache. catalina. core. ApplicationDispatcher. processRequest (ApplicationDispatcher. java: 463)

At org. apache. catalina. core. ApplicationDispatcher. doForward (ApplicationDispatcher. java: 398)

At org. apache. catalina. core. ApplicationDispatcher. forward (ApplicationDispatcher. java: 301)

At org. tuckey. web. filters. urlrewrite. RewrittenUrl. doRewrite (RewrittenUrl. java: 176)

At org. tuckey. web. filters. urlrewrite. UrlRewriteFilter. doFilter (UrlRewriteFilter. java: 728)

At org. apache. catalina. core. ApplicationFilterChain. internalDoFilter (ApplicationFilterChain. java: 202)

At org. apache. catalina. core. ApplicationFilterChain. doFilter (ApplicationFilterChain. java: 173)

At com. jiuxing. website. filters. SetCharacterEncodingFilter. doFilter (SetCharacterEncodingFilter. java: 87)

At org. apache. catalina. core. ApplicationFilterChain. internalDoFilter (ApplicationFilterChain. java: 202)

At org. apache. catalina. core. ApplicationFilterChain. doFilter (ApplicationFilterChain. java: 173)

At org. apache. catalina. core. StandardWrapperValve. invoke (StandardWrapperValve. java: 213)

At org. apache. catalina. core. StandardContextValve. invoke (StandardContextValve. java: 178)

At org. apache. catalina. core. StandardHostValve. invoke (StandardHostValve. java: 126)

At org. apache. catalina. valves. ErrorReportValve. invoke (ErrorReportValve. java: 105)

At org. apache. catalina. core. StandardEngineValve. invoke (StandardEngineValve. java: 107)

At org. apache. catalina. connector. CoyoteAdapter. service (CoyoteAdapter. java: 148)

At org. apache. jk. server. JkCoyoteHandler. invoke (JkCoyoteHandler. java: 199)

At org. apache. jk. common. HandlerRequest. invoke (HandlerRequest. java: 282)

At org. apache. jk. common. ChannelSocket. invoke (ChannelSocket. java: 744)

At org. apache. jk. common. ChannelSocket. processConnection (ChannelSocket. java: 674)

At org. apache. jk. common. ChannelSocket $ SocketConnection. runIt (ChannelSocket. java: 866)

At org. apache. tomcat. util. threads. ThreadPool $ ControlRunnable. run (ThreadPool. java: 684)

At java. lang. Thread. run (Thread. java: 595)

Temporary solution:

Increase-Xmx512m to-Xmx1024m.