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https://issues.apache.org/jira/browse/LOG4J2-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17461236#comment-17461236
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Saptarshi De commented on LOG4J2-3235:
--------------------------------------
Hi [~ggregory]
Really appreciate your input on this, it makes sense and the work around does
work fine.
However modifying the jar manually will not be an apt solution for us as we
have multiple applications and environments and it might be not possible to
maintain a custom version for log4j-api alone. It will be prone to errors.
Kindly check on this, Thank you.
Regards
Saptarshi
> Exception: Invalid byte tag in constant pool: 19 for module-info.class Java 7
> -----------------------------------------------------------------------------
>
> Key: LOG4J2-3235
> URL: https://issues.apache.org/jira/browse/LOG4J2-3235
> Project: Log4j 2
> Issue Type: Bug
> Components: API
> Reporter: Saptarshi De
> Priority: Critical
> Fix For: 2.12.1
>
>
> Due to the recent vulnerability CVE-2021-44228 and CVE-2021-45046, We are
> updating to Log4j 2.12.2 on our Java 7 environment.
> Log4j 2.12.2 is supposed to be compatible with Java 7.
> We face the below exception on startup.
> Please suggest a solution for the same.
>
> {code:java}
> 15-Dec-2021 12:55:32.722 SEVERE [localhost-startStop-1]
> org.apache.catalina.startup.ContextConfig.processAnnotationsJar Unable to
> process Jar entry [META-INF/versions/9/module-info.class] from Jar
> [jar:file:/------/log4j-api-2.12.2.jar!/] for annotations
> org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag
> in constant pool: 19
> at
> org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:97)
> at
> org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:55)
> at
> org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:177)
> at
> org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:85)
> at
> org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2011)
> at
> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1961)
> at
> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1936)
> at
> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1897)
> at
> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1149)
> at
> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:771)
> at
> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:305)
> at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
> at
> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
> at
> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5066)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
> at
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1101)
> at
> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1786)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
>
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