topic Activiti Explorer / Engine causes Tomcat memory leak in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158997#M113056 <HTML><HEAD></HEAD><BODY><SPAN>I have deployed the activiti explorer 5.15.1 and when I look into the tomcat loggs, I see this here:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-74] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-79] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-84] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-89] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-92] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-95] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-98] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-101] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-103] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-105] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-107] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-110] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-113] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-116] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-121] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-126] but has failed to stop it. This is very likely to create a memory leak.<BR />Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads<BR />Schwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-131] but has failed to stop it. This is very likely to create a memory leak.<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>In addition, you can see this several times even though I use MySQL:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />Apr 24, 2014 11:46:50 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc<BR />Schwerwiegend: The web application [/activiti-explorer] registered the JDBC driver [org.h2.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.<BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>Has anyone an idea why this is happen?</SPAN><BR /><SPAN>Thanks and best regards</SPAN><BR /><SPAN>Ben</SPAN></BODY></HTML> Fri, 25 Apr 2014 09:14:10 GMT b_schnarr 2014-04-25T09:14:10Z Activiti Explorer / Engine causes Tomcat memory leak https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158997#M113056 I have deployed the activiti explorer 5.15.1 and when I look into the tomcat loggs, I see this here:Apr 24, 2014 11:32:31 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreadsSchwerwiegend: The web application [/activiti-explorer] appears to have started a thread named [Thread-74] b Fri, 25 Apr 2014 09:14:10 GMT https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158997#M113056 b_schnarr 2014-04-25T09:14:10Z Re: Activiti Explorer / Engine causes Tomcat memory leak https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158998#M113057 <HTML><HEAD></HEAD><BODY><SPAN>Since you are using MySql I would suggest you remove h2 jar from the application's lib folder. Additionally, move MySql's JDBC jar file to Tomcats main lib folder.</SPAN><BR /><BR /><SPAN>Hope that helps!</SPAN></BODY></HTML> Tue, 13 May 2014 01:14:13 GMT https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158998#M113057 balsarori 2014-05-13T01:14:13Z Re: Activiti Explorer / Engine causes Tomcat memory leak https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158999#M113058 <HTML><HEAD></HEAD><BODY><SPAN>SCRIPT5007: For the property "prototype" there is no value: The object is Null or undefined</SPAN><BR /></BODY></HTML> Thu, 12 Mar 2015 08:03:51 GMT https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-engine-causes-tomcat-memory-leak/m-p/158999#M113058 babblu 2015-03-12T08:03:51Z