/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.processor.onexception;
import org.apache.camel.CamelExecutionException;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
/**
* Test that exceptions in an onException handler route do not go into recursion
*/
public class OnExceptionGlobalScopedRecursionTest extends ContextTestSupport {
@Override
public boolean isUseRouteBuilder() {
return false;
}
public void testRecursion() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.to("mock:c")
.log("onException")
.throwException(new NullPointerException("A NPE error here"))
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
}
});
context.start();
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
IllegalStateException ise = assertIsInstanceOf(IllegalStateException.class, npe.getSuppressed()[0]);
assertEquals("Bad state", ise.getMessage());
}
}
public void testRecursionHandled() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.handled(true)
.to("mock:c")
.log("onException")
.throwException(new NullPointerException("A NPE error here"))
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
}
});
context.start();
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
IllegalStateException ise = assertIsInstanceOf(IllegalStateException.class, npe.getSuppressed()[0]);
assertEquals("Bad state", ise.getMessage());
}
}
public void testRecursionDirectNoErrorHandler() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
getMockEndpoint("mock:d").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.to("mock:c")
.log("onException")
.to("direct:error")
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
// need to turn off error handler when linked with direct, in case you want the same as inlined
from("direct:error").errorHandler(noErrorHandler())
.to("mock:d")
.log("error")
.throwException(new NullPointerException("A NPE error here"));
}
});
context.start();
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
IllegalStateException ise = assertIsInstanceOf(IllegalStateException.class, npe.getSuppressed()[0]);
assertEquals("Bad state", ise.getMessage());
}
}
public void testRecursionHandledDirectNoErrorHandler() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
getMockEndpoint("mock:d").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.handled(true)
.to("mock:c")
.log("onException")
.to("direct:error")
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
// need to turn off error handler when linked with direct, in case you want the same as inlined
from("direct:error").errorHandler(noErrorHandler())
.to("mock:d")
.log("error")
.throwException(new NullPointerException("A NPE error here"));
}
});
context.start();
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
IllegalStateException ise = assertIsInstanceOf(IllegalStateException.class, npe.getSuppressed()[0]);
assertEquals("Bad state", ise.getMessage());
}
}
public void testRecursionDirect() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
getMockEndpoint("mock:d").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.to("mock:c")
.log("onException")
.to("direct:error")
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
from("direct:error")
.to("mock:d")
.log("error")
.throwException(new NullPointerException("A NPE error here"));
}
});
context.start();
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
// we can only see the NPE from the direct route
}
}
public void testRecursionHandledDirect() throws Exception {
getMockEndpoint("mock:a").expectedMessageCount(1);
getMockEndpoint("mock:b").expectedMessageCount(0);
getMockEndpoint("mock:c").expectedMessageCount(1);
getMockEndpoint("mock:d").expectedMessageCount(1);
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
onException(Throwable.class)
.handled(true)
.to("mock:c")
.log("onException")
.to("direct:error")
.end();
from("direct:test")
.to("mock:a")
.log("test")
.throwException(new IllegalStateException("Bad state")).to("log:test")
.to("mock:b");
from("direct:error")
.to("mock:d")
.log("error")
.throwException(new NullPointerException("A NPE error here"));
}
});
context.start();
// TODO: figure out why it does not throw exception (handle = true, new exception -> handle true?)
// TODO: and why route scoped seems to work
try {
template.sendBody("direct:test", "Hello World");
fail("Should have thrown exception");
} catch (CamelExecutionException e) {
NullPointerException npe = assertIsInstanceOf(NullPointerException.class, e.getCause());
assertEquals("A NPE error here", npe.getMessage());
// we can only see the NPE from the direct route
}
}
}