[IGNITE-15345] Registration of remote event listener with null remote filter while security is enabled fails with exception.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.12
• Release Note: Fix NPE on remote listener registration with null remote filter and security enabled.
• Ignite Flags: Release Notes Required
• Assignee: Mikhail Petrov
• Reporter: Mikhail Petrov
• Created: 19/Aug/21 17:23
• Updated: 31/Aug/21 11:56
• Resolved: 26/Aug/21 04:06

Description

Exception with the following stack trace is thrown:

java.lang.NullPointerException: Parameter 'original' cannot be null.

	at java.util.Objects.requireNonNull(Objects.java:228)
	at org.apache.ignite.internal.processors.security.AbstractSecurityAwareExternalizable.<init>(AbstractSecurityAwareExternalizable.java:60)
	at org.apache.ignite.internal.SecurityAwarePredicate.<init>(SecurityAwarePredicate.java:48)
	at org.apache.ignite.internal.IgniteEventsImpl.securityAwareRemoteFilter(IgniteEventsImpl.java:193)
	at org.apache.ignite.internal.IgniteEventsImpl.remoteListen(IgniteEventsImpl.java:136)
	at org.apache.ignite.internal.IgniteEventsImpl.remoteListen(IgniteEventsImpl.java:115)
	at org.apache.ignite.TestClass.test(TestClass.java:34)
	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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.apache.ignite.testframework.junits.GridAbstractTest$7.run(GridAbstractTest.java:2432)

Reproducer:

public class TestClass extends AbstractSecurityTest {
    /** */
    @Test
    public void test() throws Exception {
        IgniteEx srv = startGridAllowAll("srv");

        srv.events().remoteListen((uuid, e) -> true, null, EVT_CACHE_OBJECT_PUT);
    }
}

Issue Links

• relates to: IGNITE-13228 Remote filter of IgniteEvents has to run with appropriate SecurityContext.
• links to: GitHub Pull Request #9355