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Method Server Fails to Start: ClassNotFoundException: GenericService

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Participant

Method Server Fails to Start: ClassNotFoundException: GenericService

Our server had a unexpected shutdown and now the Method Server refuses to start.

Error log from Method Server:

2020-10-20 18:02:11,284 ERROR [main] wt.method.server.startup.services - Failed to create: wt.services.service.2180=com.ptc.windchill.enterprise.generic.server.GenericService/com.ptc.wpcfg.generic.WpcfgGenericService
(wt.services.servicesResource/17) wt.util.WTException: Unable to find manager class from entry: "wt.services.service.2180=com.ptc.windchill.enterprise.generic.server.GenericService/com.ptc.wpcfg.generic.WpcfgGenericService"
Nested exception is: java.lang.ClassNotFoundException: com.ptc.windchill.enterprise.generic.server.GenericService
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at wt.services.ManagerImplementation.create(ManagerImplementation.java:206)
at wt.services.StandardManagerFactory.createImplementations(StandardManagerFactory.java:135)
at wt.services.StandardManagerFactory.<init>(StandardManagerFactory.java:117)
at wt.services.StandardManagerFactory$Singleton.<clinit>(StandardManagerFactory.java:73)
at wt.services.StandardManagerFactory.getInstance(StandardManagerFactory.java:102)
at wt.services.StandardManagerService.createFactory(StandardManagerService.java:374)
at wt.services.StandardManagerService.initialize(StandardManagerService.java:364)
at wt.services.StandardManagerService.newStandardManagerService(StandardManagerService.java:100)
at wt.services.StandardServicesHandler.getFactory(StandardServicesHandler.java:51)
at wt.services.StandardServicesHandler.start(StandardServicesHandler.java:42)
at wt.method.MethodServerMain.run(MethodServerMain.java:603)
at wt.method.MethodServerMain.main(MethodServerMain.java:373)
2020-10-20 18:02:11,499 FATAL [main] wt.method.server - MethodServerMain abort
(wt.services.servicesResource/17) wt.util.WTException: Unable to find manager class from entry: "wt.services.service.2180=com.ptc.windchill.enterprise.generic.server.GenericService/com.ptc.wpcfg.generic.WpcfgGenericService"
Nested exception is: java.lang.ClassNotFoundException: com.ptc.windchill.enterprise.generic.server.GenericService
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at wt.services.ManagerImplementation.create(ManagerImplementation.java:206)
at wt.services.StandardManagerFactory.createImplementations(StandardManagerFactory.java:135)
at wt.services.StandardManagerFactory.<init>(StandardManagerFactory.java:117)
at wt.services.StandardManagerFactory$Singleton.<clinit>(StandardManagerFactory.java:73)
at wt.services.StandardManagerFactory.getInstance(StandardManagerFactory.java:102)
at wt.services.StandardManagerService.createFactory(StandardManagerService.java:374)
at wt.services.StandardManagerService.initialize(StandardManagerService.java:364)
at wt.services.StandardManagerService.newStandardManagerService(StandardManagerService.java:100)
at wt.services.StandardServicesHandler.getFactory(StandardServicesHandler.java:51)
at wt.services.StandardServicesHandler.start(StandardServicesHandler.java:42)
at wt.method.MethodServerMain.run(MethodServerMain.java:603)
at wt.method.MethodServerMain.main(MethodServerMain.java:373)
2020-10-20 18:02:11,548 FATAL [main] wt.method.server.shutdown - Stopping services...
2020-10-20 18:02:11,548 INFO [main] wt.system.out - WARNING: The ManagerService is not initialized! This can be caused by:
2020-10-20 18:02:11,548 INFO [main] wt.system.out - 1) Attempting to invoke a server only method from a remote client
2020-10-20 18:02:11,548 INFO [main] wt.system.out - 2) Attempting to invoke a method on a service from the constructor or static initializer of another service
2020-10-20 18:02:11,548 FATAL [main] wt.method.server.shutdown - MethodServer stopped

 

Any help would be immensely appreciated!

4 REPLIES 4
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Re: Method Server Fails to Start: ClassNotFoundException: GenericService

The error means could not find the class under classpath. The class is for Options Variants.

 

1. Use which command to check whether it exits or not, please recover if it was gone.

java wt.util.jmx.Which com/ptc/windchill/enterprise/generic/server/GenericService.class 

-it should under <windchill>/codebase

 

2. Verify the classpath

- Look MS log, it will display all ClassPaths of Windchill whether <windchill>/codebase is the first

 

Cliff

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Re: Method Server Fails to Start: ClassNotFoundException: GenericService

I was able to manually find the GenericService.class file under <windchill>\codebase\wt\generic 

And the MS log shows a classpath including <windchill>/codebase, but not <windchill>\codebase\wt\generic specifically.
Here's the full classpath from the log file:

2020-10-21 00:54:23,636 INFO [main] wt.method.server.startup - Class path =
<windchill>\codebase
<windchill>\codebase\WEB-INF\lib\dpimplWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\dpinfraWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\Gantt.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\ie3rdpartylibs.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\ieWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\install.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\jmxcoreWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\jviews-chart-all.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\jviews-framework-all.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\jviews-gantt-all.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\mksapi.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\mylyn-integration.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\odataWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\pdmlWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\pjlWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\ProjectManagement.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\prowtWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\reqlWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\restWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\rialtoWeb.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\RMWebServices.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\TwxIEWebService.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\wc3rdpartylibs.jar
C:\ptc\Windchill_11.1\Windchill\codebase\WEB-INF\lib\wncWeb.jar
C:\ptc\Windchill_11.1\Windchill\lib\pdml.jar
C:\ptc\Windchill_11.1\Windchill\lib\pjl.jar
C:\ptc\Windchill_11.1\Windchill\lib\reql.jar
C:\ptc\Windchill_11.1\Windchill\lib\servlet.jar
C:\ptc\Windchill_11.1\Windchill\lib\wnc.jar
C:\ptc\Windchill_11.1\Java\lib\tools.jar
C:\ptc\Windchill_11.1\Windchill\tomcat\bin\bootstrap.jar
C:\ptc\Windchill_11.1\Windchill\tomcat\bin\tomcat-juli.jar
C:\ptc\Windchill_11.1\Windchill\srclib\wnc\WtAsmAgent.jar

 

Highlighted

Re: Method Server Fails to Start: ClassNotFoundException: GenericService

what is below? It should be C:\ptc\Windchill_11.1\Windchill

 

Cliff

 

2020-10-21 00:54:23,636 INFO [main] wt.method.server.startup - Class path =
<windchill>\codebase
<windchill>\codebase\WEB-INF\lib\dpimplWeb.jar

  

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Re: Method Server Fails to Start: ClassNotFoundException: GenericService

Sorry, yes, it is!

(I debated changing them all to <windchill>/* format, and forgot to correct the ones I had changed)

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