Problem You are facing is probably caused by order of jars loading.
Tomcat >= 8 does it in random way (up to version 7.5.x it was alphabetical).
It is important, that classloader loads wonder "redefined" classes for some of WO, instead of original.

Solution:
You may want to write your own tomcat class loader, basing on WO classpath file, or just loading jars in alphabetical order. Then You can activate it on tomcat's level in ${CATALINA_BASE}/conf/context.xml or for your app only in |webapp/META-INF/context.xml|. For details see tomcat's documentation.

If it's not the case, You may also check if on this beta-test tomcat(#4) there is not other WO app deployed, which loads original WO classess, before Your's app start. And/or check if they fully restart it between deployments o new version.


W dniu 28.01.2020 o 19:35, Dev WO via Webobjects-dev pisze:
Hi WOers,

I’m starting to lost my mind with a Tomcat deployment (not my choice)

I have 4 machines:
1-Dev machine running through Eclipse and Apache (OS X) => Everything works
2-Test Tomcat deployment machine (OS X / Tomcat 9.0.29) => Everything works
3-Another test Tomcat deployment (Debian / Tomcat 9.0.20) => Everything works
4-Customer “beta test" machine (Debian / Tomcat 9.0.20) => Some part of the app 
doesn’t work

Of course machine #4 is the one I have the least access…

By "Some part of the app doesn’t work” I mean that I have some asynchronous 
thread that do their job, I have some HTML interfaces that works, but other don’t...
After way too much trial, I was able to get basically the same errors on my dev 
machine by changing the class path (moving down ERExtensions frameworks in the 
classpath). Finally getting errors like:

NoSuchMethodError: 
com.webobjects.foundation.NSArray.<init>(Ljava/lang/Object;[Ljava/lang/Object;)V
and
NoSuchMethodError: 
com.webobjects.appserver.WOCookie.<init>(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IZZ)V

After reading every thread about Tomcat from the mailing list from 2004 up to 
today, I still don’t get the issue.
I’m using the exact same .war file on all machines, with the web.xml relevant 
part (when framework order is correct) at the end of the message.

I have no clue and no idea regarding how to find the issue on this machine #4.

I’m using Wonder7 and WO5.4, the Application class extends ERXApplication 
(having JavaWOJSPServlet in the build path or not doesn’t change the fact it 
works on machine 1,2 and 3 but not 4)

Thanks for your help,

Xavier



   <context-param>
     <param-name>WOClasspath</param-name>
     <param-value>
     WEBINFROOT/Resources/Java/
WEBINFROOT/CloudManager.woa/Contents/Resources/Java/cloudmanager.jar
WEBINFROOT/Resources/Java/gson-2.5.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERCoolComponents.framework/Resources/Java/ERCoolComponents.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/AjaxLook.framework/Resources/Java/AjaxLook.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/Ajax.framework/Resources/Java/Ajax.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/Ajax.framework/Resources/Java/jabsorb-1.2.2.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/CloudManagerDataModel.framework/Resources/Java/cloudmanagerdatamodel.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/CloudManagerDataModel.framework/Resources/Java/postgresql-8.3-603.jdbc3.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/ERJars.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/ERFoundation.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/ERWebObjects.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-cli-1.3.1.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-codec-1.10.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-io-2.5.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-lang-2.6.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-lang3-3.5.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/commons-logging-1.2.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/fluent-hc-4.5.3.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/httpclient-4.5.3.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/httpclient-cache-4.5.3.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/httpcore-4.4.6.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/httpmime-4.5.3.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/icu4j-3_8_1.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/javassist-3.20.0-GA.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/joda-time-2.9.7.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/junit-4.12.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/log4j-1.2.17.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/ognl-3.2.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/slf4j-api-1.7.23.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERJars.framework/Resources/Java/slf4j-log4j12-1.7.23.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/PostgresqlPlugIn.framework/Resources/Java/PostgresqlPlugIn.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaMemoryAdaptor.framework/Resources/Java/JavaMemoryAdaptor.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/ERPrototypes.framework/Resources/Java/ERPrototypes.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/WOOgnl.framework/Resources/Java/WOOgnl.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaWOExtensions.framework/Resources/Java/JavaWOExtensions.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaEOAccess.framework/Resources/Java/javaeoaccess.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaEOAccess.framework/WebServerResources/Java/JavaEOAccess.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaEOControl.framework/Resources/Java/javaeocontrol.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaEOControl.framework/WebServerResources/Java/JavaEOControl.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaFoundation.framework/Resources/Java/javafoundation.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaFoundation.framework/WebServerResources/Java/JavaFoundation.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaJDBCAdaptor.framework/Resources/Java/javajdbcadaptor.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaJDBCAdaptor.framework/WebServerResources/Java/JavaJDBCAdaptor.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar
WEBINFROOT/CloudManager.woa/Contents/Frameworks/JavaWebObjects.framework/WebServerResources/Java/JavaWebObjects.jar
</param-value>
   </context-param>


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