https://bz.apache.org/bugzilla/show_bug.cgi?id=60694
Bug ID: 60694
Summary: Potential NullPointerException in
AuthenticatorBase.getJaspicProvider()
Product: Tomcat 8
Version: 8.5.11
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: awilkin...@pivotal.io
Target Milestone: ----
AuthenticatorBase.getJaspicProvider() can throw a NullPointerException. The
code in question is:
AuthConfigFactory factory = AuthConfigFactory.getFactory();
provider = factory.getConfigProvider("HttpServlet", jaspicAppContextID, this);
The javadoc for AuthConfigFactory.getFactory() states that it returns:
The non-null system-wide AuthConfigFactory instance set at the time of the
call, or if that value was null, the value of the system-wide factory instance
established by this method. This method returns null when the system-wide
factory was not defined when this method was called and no default factory name
was defined via the security property.
When it returns null, a NullPointerException occurs:
java.lang.NullPointerException: null
at
org.apache.catalina.authenticator.AuthenticatorBase.getJaspicProvider(AuthenticatorBase.java:1192)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434)
at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
This was originally reported against Spring Boot using embedded Tomcat when the
user also had javax:javaee-api on the classpath.
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