java - Tomcat Memory Exception -


i complete tomcat novice need use run bit of rest api software. great apart response getting when try run request. tips - novice - on how fix appreciated!

thanks

"response":"<html><head><title>apache tomcat/7.0.40 - error report</title><style><!--h1 {font-family:tahoma,arial,sans-serif;color:white;background-color:#525d76;font-size:22px;} h2 {font-family:tahoma,arial,sans-serif;color:white;background-color:#525d76;font-size:16px;} h3 {font-family:tahoma,arial,sans-serif;color:white;background-color:#525d76;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:#525d76;} p {font-family:tahoma,arial,sans-serif;background:white;color:black;font-size:12px;}a {color : black;}a.name {color : black;}hr {color : #525d76;}--></style> </head><body><h1>http status 500 - handler processing failed; nested exception java.lang.outofmemoryerror: permgen space</h1><hr size=\"1\" noshade=\"noshade\"><p><b>type</b> exception report</p><p><b>message</b> <u>handler processing failed; nested exception java.lang.outofmemoryerror: permgen space</u></p><p><b>description</b> <u>the server encountered internal error prevented fulfilling request.</u></p><p><b>exception</b> <pre>org.springframework.web.util.nestedservletexception: handler processing failed; nested exception java.lang.outofmemoryerror: permgen space\n\torg.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:972)\n\torg.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:852)\n\torg.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:882)\n\torg.springframework.web.servlet.frameworkservlet.doget(frameworkservlet.java:778)\n\tjavax.servlet.http.httpservlet.service(httpservlet.java:621)\n\tjavax.servlet.http.httpservlet.service(httpservlet.java:728)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330)\n\torg.springframework.security.web.access.intercept.filtersecurityinterceptor.invoke(filtersecurityinterceptor.java:118)\n\torg.springframework.security.web.access.intercept.filtersecurityinterceptor.dofilter(filtersecurityinterceptor.java:84)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.access.exceptiontranslationfilter.dofilter(exceptiontranslationfilter.java:113)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.session.sessionmanagementfilter.dofilter(sessionmanagementfilter.java:103)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.authentication.anonymousauthenticationfilter.dofilter(anonymousauthenticationfilter.java:113)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.servletapi.securitycontextholderawarerequestfilter.dofilter(securitycontextholderawarerequestfilter.java:54)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.savedrequest.requestcacheawarefilter.dofilter(requestcacheawarefilter.java:45)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.authentication.www.basicauthenticationfilter.dofilter(basicauthenticationfilter.java:150)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.authentication.ui.defaultloginpagegeneratingfilter.dofilter(defaultloginpagegeneratingfilter.java:91)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.authentication.abstractauthenticationprocessingfilter.dofilter(abstractauthenticationprocessingfilter.java:183)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.authentication.logout.logoutfilter.dofilter(logoutfilter.java:105)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.context.securitycontextpersistencefilter.dofilter(securitycontextpersistencefilter.java:87)\n\torg.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:342)\n\torg.springframework.security.web.filterchainproxy.dofilterinternal(filterchainproxy.java:192)\n\torg.springframework.security.web.filterchainproxy.dofilter(filterchainproxy.java:160)\n\torg.springframework.web.filter.delegatingfilterproxy.invokedelegate(delegatingfilterproxy.java:346)\n\torg.springframework.web.filter.delegatingfilterproxy.dofilter(delegatingfilterproxy.java:259)\n</pre></p><p><b>root cause</b> <pre>java.lang.outofmemoryerror: permgen space\n</pre></p><p><b>note</b> <u>the full stack trace of root cause available in apache tomcat/7.0.40 logs.</u></p><hr size=\"1\" noshade=\"noshade\"><h3>apache tomcat/7.0.40</h3></body></html>"     }

you have 

java.lang.outofmemoryerror: permgen

as can seen in error report. have @ question dealing "java.lang.outofmemoryerror: permgen space" error


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