M. Gomes (Celfocus) created KARAF-7752:
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Summary: Several Webconsole sections stopped working
Key: KARAF-7752
URL: https://issues.apache.org/jira/browse/KARAF-7752
Project: Karaf
Issue Type: Bug
Components: webconsole
Affects Versions: 4.4.4
Environment: Apache Karaf 4.4.4 (binary release), Java 17, Alpine
Linux x86-64.
Executed commands: _feature install http webconsole_
$ java -version
openjdk version "17.0.8" 2023-07-18
OpenJDK Runtime Environment (build 17.0.8+7-alpine-r2)
OpenJDK 64-Bit Server VM (build 17.0.8+7-alpine-r2, mixed mode, sharing)
$ uname -a
Linux cinder 6.1.53-0-lts #1-Alpine SMP PREEMPT_DYNAMIC Wed, 13 Sep 2023
12:45:27 +0000 x86_64 GNU/Linux
Reporter: M. Gomes (Celfocus)
Starting with Karaf 4.4.4 several webconsole pages no longer work:
* Main > Features (blank content)
* Main > Gogo (blank content)
* Main > HTTP (blank content)
* Main > Instances (blank content)
* OSGi > Events (500 error, see below)
* Other felix webconsole components also give a 500 error
In the case of the 500 error the content is:
h2. HTTP ERROR 500 java.lang.NullPointerException: Cannot invoke
"javax.servlet.ServletConfig.getServletName()" because the return value of
"org.apache.felix.webconsole.internal.WebConsolePluginAdapter.getServletConfig()"
is null
||URI:|/system/console/events|
||STATUS:|500|
||MESSAGE:|java.lang.NullPointerException: Cannot invoke
"javax.servlet.ServletConfig.getServletName()" because the return value of
"org.apache.felix.webconsole.internal.WebConsolePluginAdapter.getServletConfig()"
is null|
||SERVLET:|org.apache.felix.webconsole.internal.servlet.KarafOsgiManager|
||CAUSED BY:|java.lang.NullPointerException: Cannot invoke
"javax.servlet.ServletConfig.getServletName()" because the return value of
"org.apache.felix.webconsole.internal.WebConsolePluginAdapter.getServletConfig()"
is null|
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