java.lang.SecurityException: class "javax.servlet.http.HttpUpgradeHandler"'s si gner information does not match signer information of other classes in the same package

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via GitHub by wattdjaun
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class "javax.servlet.http.HttpUpgradeHandler"'s si gner information does not match signer information of other classes in the same package
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class "javax.servlet.ServletRegistration"'s signer information does not match signer information of other classes in the same package
java.lang.SecurityException: class "javax.servlet.http.HttpUpgradeHandler"'s si gner information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:898)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:668)
at java.lang.ClassLoader.defineClass(ClassLoader.java:761)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.apache.coyote.http11.AbstractHttp11Protocol.createProcessor(AbstractHttp11Protocol.java:636)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:788)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1410)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.lang.Thread.run(Thread.java:745)

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