Bodo Pfelzer created TOMEE-3797:
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Summary: Misassignment webapp->host hard to detect
Key: TOMEE-3797
URL: https://issues.apache.org/jira/browse/TOMEE-3797
Project: TomEE
Issue Type: Wish
Components: TomEE Core Server
Affects Versions: 8.0.8
Reporter: Bodo Pfelzer
Attachments: alternativefix.patch, fix.patch, hello.ear
TomEE allows to deploy webapps inside an EAR file to different hosts by setting
a system property. If this property points to an unknown host, the error
message will be hard to understand:
{code:java}
SEVERE: Application could not be deployed: /tmp/tomee/apps/hello
org.apache.openejb.OpenEJBException: Creating application failed:
/tmp/tomee/apps/hello: null
at
org.apache.openejb.assembler.classic.Assembler.createApplication(Assembler.java:1104)
at
org.apache.openejb.assembler.classic.Assembler.createApplication(Assembler.java:759)
at
org.apache.openejb.assembler.classic.Assembler.buildContainerSystem(Assembler.java:637)
at org.apache.openejb.assembler.classic.Assembler.build(Assembler.java:494)
at org.apache.openejb.OpenEJB$Instance.<init>(OpenEJB.java:150)
at org.apache.openejb.OpenEJB.init(OpenEJB.java:307)
at org.apache.tomee.catalina.TomcatLoader.initialize(TomcatLoader.java:245)
at
org.apache.tomee.catalina.ServerListener.lifecycleEvent(ServerListener.java:169)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at
org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:137)
at org.apache.catalina.startup.Catalina.load(Catalina.java:724)
at org.apache.catalina.startup.Catalina.load(Catalina.java:746)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:305)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Caused by: java.lang.NullPointerException
at
org.apache.catalina.core.ApplicationContext.<init>(ApplicationContext.java:121)
at
org.apache.catalina.core.StandardContext.getServletContext(StandardContext.java:2334)
at
org.apache.tomee.catalina.security.TomcatSecurityConstaintsToJaccPermissionsTransformer.<init>(TomcatSecurityConstaintsToJaccPermissionsTransformer.java:78)
at
org.apache.tomee.catalina.TomcatWebAppBuilder.deployWebApps(TomcatWebAppBuilder.java:622)
at
org.apache.openejb.assembler.classic.Assembler.createApplication(Assembler.java:1054)
... 18 more{code}
Attached you find an example.ear. The error may be triggered by defining the
system property
helloweb.host=no.such.host.com
Also attached you find two possible fixes. The first one throws a better
exception. The alternative one just skips the webapp.
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