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404 error on activiti-explorer

mikepoole

I have recently installed Activiti and had help to get the modeller installed

My demo appears to have been installed correctly and is running yet I am getting the following error when trying to open http://localhost:8080/activiti-explorer

type Status report

message /activiti-explorer

description The requested resource (/activiti-explorer) is not available.

Does anyone have any ideas?

Thanks

Mike

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Comments

matthias1

Hi,

I am currently working on a project involving Activiti and before starting to get my own projects into runtime I wanted to test out the Demo-Setup. Unfortunately I encountered the same error as described in this topic and have not been able to find a solution yet.

Help would be really appreciated.

Kind Regards
Matthias

trademak

Hi,

Did you try and stop the Tomcat server and start it up again?
Can you see a stacktrace in the Tomcat log?

Best regards,

matthias1

Hi,

I looked up the logs files of the Tomcat and will post the (shortened) output:

04.06.2012 13:51:07 org.apache.catalina.core.AprLifecycleListener init<br>INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: […]<br>04.06.2012 13:51:07 org.apache.coyote.http11.Http11Protocol init<br>INFO: Initializing Coyote HTTP/1.1 on http-8080<br>04.06.2012 13:51:07 org.apache.catalina.startup.Catalina load<br>INFO: Initialization processed in 597 ms<br>04.06.2012 13:51:07 org.apache.catalina.core.StandardService start<br>INFO: Starting service Catalina<br>04.06.2012 13:51:07 org.apache.catalina.core.StandardEngine start<br>INFO: Starting Servlet Engine: Apache Tomcat/6.0.32<br>04.06.2012 13:51:07 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory activiti-explorer<br>04.06.2012 13:51:07 org.apache.catalina.loader.WebappClassLoader validateJarFile<br>INFO: validateJarFile([…]activiti-5.8\apps\apache-tomcat-6.0.32\webapps\activiti-explorer\WEB-INF\lib\servlet-api-2.5.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2.<br>Offending class: javax/servlet/Servlet.class<br>04.06.2012 13:51:14 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory activiti-rest<br>04.06.2012 13:51:15 org.apache.catalina.loader.WebappClassLoader validateJarFile<br>INFO: validateJarFile([…]activiti-5.8\apps\apache-tomcat-6.0.32\webapps\activiti-rest\WEB-INF\lib\geronimo-servlet_3.0_spec-1.0.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2.<br>Offending class: javax/servlet/Servlet.class<br>04.06.2012 13:51:15 org.apache.catalina.loader.WebappClassLoader validateJarFile<br>INFO: validateJarFile([…]activiti-5.8\apps\apache-tomcat-6.0.32\webapps\activiti-rest\WEB-INF\lib\servlet-api-2.5.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2.<br>Offending class: javax/servlet/Servlet.class<br>04.06.2012 13:51:16 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory docs<br>04.06.2012 13:51:16 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory examples<br>04.06.2012 13:51:17 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory host-manager<br>04.06.2012 13:51:17 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory manager<br>04.06.2012 13:51:17 org.apache.catalina.startup.HostConfig deployDirectory<br>INFO: Deploying web application directory ROOT<br>04.06.2012 13:51:17 org.apache.coyote.http11.Http11Protocol start<br>INFO: Starting Coyote HTTP/1.1 on http-8080<br>04.06.2012 13:51:17 org.apache.jk.common.ChannelSocket init<br>INFO: JK: ajp13 listening on /0.0.0.0:8009<br>04.06.2012 13:51:17 org.apache.jk.server.JkMain start<br>INFO: Jk running ID=0 time=0/32&nbsp; config=null<br>04.06.2012 13:51:17 org.apache.catalina.startup.Catalina start<br>INFO: Server startup in 9935 ms

All I did was moving via console to a fresh downloaded+extracted activiti 5.8 setup folder and typed "ant demo.start".
But I should add, that i needed to download the apache tomcat 6.0.32 manually and put it in the downloads folder activiti uses, because I work behind a proxy and the ant build failed downloading it.

Note: I'm working on Windows7 and read about some other problems with Activiti and Windows7 so I mention this, too

Kind Regards,
Matthias

trademak

Strange, because I don't see any logging that shows that the Activiti Explorer is started.
I know the Activiti setup script changes the Tomcat distribution a bit. Maybe this went wrong in your setup.
But still, the Activiti Explorer should work. Were you able to start the H2 database?
Which Java version are you running?

Best regards,

matthias1

Hi again,

good hint with the H2 database. I was able to connect and browse it and tried to access the activiti-explorer again afterwards. This way round it started and I was able to log in. But then I had the same problems as referred to in this topic: http://forums.activiti.org/en/viewtopic.php?t=2339.
Fortunately there was a solution posted and I can finally get back to work

Hopefully this was the last strange error.

Kind Regards,
Matthias