package org.infinispan.remoting;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.spy;
import java.io.EOFException;
import java.lang.reflect.InvocationTargetException;
import java.util.EmptyStackException;
import org.infinispan.Cache;
import org.infinispan.commands.write.PutKeyValueCommand;
import org.infinispan.commons.CacheException;
import org.infinispan.commons.marshall.StreamingMarshaller;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.context.InvocationContext;
import org.infinispan.interceptors.base.CommandInterceptor;
import org.infinispan.interceptors.locking.NonTransactionalLockingInterceptor;
import org.infinispan.marshall.core.ExternalPojo;
import org.infinispan.notifications.Listener;
import org.infinispan.notifications.cachelistener.annotation.CacheEntryCreated;
import org.infinispan.notifications.cachelistener.event.CacheEntryEvent;
import org.infinispan.remoting.transport.Transport;
import org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher;
import org.infinispan.remoting.transport.jgroups.JGroupsTransport;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.testng.annotations.Test;
@Test(groups = "functional", testName = "remoting.TransportSenderExceptionHandlingTest")
public class TransportSenderExceptionHandlingTest extends MultipleCacheManagersTest {
private final String key = "k-illyria", value = "v-illyria", value2 = "v2-illyria";
@Override
protected void createCacheManagers() throws Throwable {
createClusteredCaches(2, "replSync",
getDefaultClusteredCacheConfig(CacheMode.REPL_SYNC, false));
}
public void testInvokeAndExceptionWhileUnmarshalling() throws Exception {
Cache cache1 = cache(0, "replSync");
Cache cache2 = cache(1, "replSync");
JGroupsTransport transport2 = (JGroupsTransport) TestingUtil.extractComponent(cache2, Transport.class);
CommandAwareRpcDispatcher dispatcher2 = transport2.getCommandAwareRpcDispatcher();
StreamingMarshaller originalMarshaller2 = TestingUtil.extractGlobalMarshaller(manager(1));
try {
StreamingMarshaller mockMarshaller2 = spy(originalMarshaller2);
PutKeyValueCommand putCommand = new PutKeyValueCommand();
putCommand.setKey(key);
putCommand.setValue(value);
doAnswer(invocation -> invocation.callRealMethod())
.when(mockMarshaller2).objectToByteBuffer(any());
doAnswer(invocation -> {
throw new EOFException();
}).when(mockMarshaller2).objectFromByteBuffer(any(), anyInt(), anyInt());
dispatcher2.setIspnMarshaller(mockMarshaller2);
cache1.put(key, value);
assert false : "Should have thrown an exception";
} catch (RemoteException ce) {
assert !(ce.getCause() instanceof ClassCastException) : "No way a ClassCastException must be sent back to user!";
assert ce.getCause() instanceof CacheException;
assert ce.getCause().getCause() instanceof EOFException;
} finally {
dispatcher2.setIspnMarshaller(originalMarshaller2);
}
}
@Test(expectedExceptions = ArrayStoreException.class)
public void testThrowExceptionFromRemoteListener() throws Throwable {
induceListenerMalfunctioning(false, FailureType.EXCEPTION_FROM_LISTENER);
}
@Test(expectedExceptions = NoClassDefFoundError.class)
public void testThrowErrorFromRemoteListener() throws Throwable {
induceListenerMalfunctioning(true, FailureType.ERROR_FROM_LISTENER);
}
@Test(expectedExceptions = EmptyStackException.class)
public void testThrowExceptionFromRemoteInterceptor() throws Throwable {
induceInterceptorMalfunctioning(FailureType.EXCEPTION_FROM_INTERCEPTOR);
}
@Test(expectedExceptions = ClassCircularityError.class)
public void testThrowErrorFromRemoteInterceptor() throws Throwable {
induceInterceptorMalfunctioning(FailureType.ERROR_FROM_INTERCEPTOR);
}
private void induceInterceptorMalfunctioning(FailureType failureType) throws Throwable {
Cache cache1 = cache(0, "replSync");
Cache cache2 = cache(1, "replSync");
cache2.getAdvancedCache().addInterceptorAfter(
new ErrorInducingInterceptor(), NonTransactionalLockingInterceptor.class);
log.info("Before put.");
try {
cache1.put(failureType, 1);
} catch (CacheException e) {
Throwable cause = e.getCause();
if (cause.getCause() == null)
throw cause;
else
throw cause.getCause();
} finally {
cache2.getAdvancedCache().removeInterceptor(ErrorInducingInterceptor.class);
}
}
private void induceListenerMalfunctioning(boolean throwError, FailureType failureType) throws Throwable {
Cache cache1 = cache(0, "replSync");
Cache cache2 = cache(1, "replSync");
ErrorInducingListener listener = new ErrorInducingListener(throwError);
cache2.addListener(listener);
try {
cache1.put(failureType, 1);
} catch (RemoteException e) {
Throwable cause = e.getCause(); // get the exception behind the remote one
if (throwError && cause.getCause() instanceof InvocationTargetException)
throw cause.getCause().getCause();
else
throw cause.getCause();
} finally {
cache2.removeListener(listener);
}
}
@Listener
public static class ErrorInducingListener {
final boolean throwError;
public ErrorInducingListener(boolean throwError) {
this.throwError = throwError;
}
@CacheEntryCreated
public void entryCreated(CacheEntryEvent event) throws Exception {
if (event.isPre() && shouldFail(event)) {
if (throwError)
throw new NoClassDefFoundError("Simulated error...");
else
throw new ArrayStoreException("A failure...");
}
}
private boolean shouldFail(CacheEntryEvent event) {
Object key = event.getKey();
return key == FailureType.EXCEPTION_FROM_LISTENER
|| key == FailureType.ERROR_FROM_LISTENER;
}
}
enum FailureType implements ExternalPojo {
EXCEPTION_FROM_LISTENER, ERROR_FROM_LISTENER,
EXCEPTION_FROM_INTERCEPTOR, ERROR_FROM_INTERCEPTOR
}
static class ErrorInducingInterceptor extends CommandInterceptor {
@Override
public Object visitPutKeyValueCommand(InvocationContext ctx, PutKeyValueCommand command) throws Throwable {
Object k = command.getKey();
if (k == FailureType.EXCEPTION_FROM_INTERCEPTOR)
throw new EmptyStackException();
else if (k == FailureType.ERROR_FROM_INTERCEPTOR)
throw new ClassCircularityError();
else
return super.visitPutKeyValueCommand(ctx, command);
}
}
}