liubao68 closed pull request #817: [SCB-754] add null pointer check on AbstractRestInvocation.invocation URL: https://github.com/apache/incubator-servicecomb-java-chassis/pull/817
This is a PR merged from a forked repository. As GitHub hides the original diff on merge, it is displayed below for the sake of provenance: As this is a foreign pull request (from a fork), the diff is supplied below (as it won't show otherwise due to GitHub magic): diff --git a/common/common-rest/src/main/java/org/apache/servicecomb/common/rest/AbstractRestInvocation.java b/common/common-rest/src/main/java/org/apache/servicecomb/common/rest/AbstractRestInvocation.java index cb4413b47..a467f0bf1 100644 --- a/common/common-rest/src/main/java/org/apache/servicecomb/common/rest/AbstractRestInvocation.java +++ b/common/common-rest/src/main/java/org/apache/servicecomb/common/rest/AbstractRestInvocation.java @@ -49,8 +49,11 @@ import org.slf4j.LoggerFactory; public abstract class AbstractRestInvocation { + private static final Logger LOGGER = LoggerFactory.getLogger(AbstractRestInvocation.class); + public static final String UNKNOWN_OPERATION_ID = "UNKNOWN_OPERATION"; + protected RestOperationMeta restOperationMeta; protected Invocation invocation; @@ -199,9 +202,8 @@ protected void sendResponseQuietly(Response response) { try { sendResponse(response); } catch (Throwable e) { - LOGGER.error("Failed to send rest response, operation:{}.", - invocation.getMicroserviceQualifiedName(), - e); + LOGGER.error("Failed to send rest response, operation:{}, request uri:{}", + getMicroserviceQualifiedName(), requestEx.getRequestURI(), e); } } @@ -235,17 +237,15 @@ protected void executeHttpServerFilters(Response response) { protected void onExecuteHttpServerFiltersFinish(Response response, Throwable e) { if (e != null) { - LOGGER.error("Failed to execute HttpServerFilters, operation:{}.", - invocation.getMicroserviceQualifiedName(), - e); + LOGGER.error("Failed to execute HttpServerFilters, operation:{}, request uri:{}", + getMicroserviceQualifiedName(), requestEx.getRequestURI(), e); } try { responseEx.flushBuffer(); } catch (IOException flushException) { - LOGGER.error("Failed to flush rest response, operation:{}.", - invocation.getMicroserviceQualifiedName(), - flushException); + LOGGER.error("Failed to flush rest response, operation:{}, request uri:{}", + getMicroserviceQualifiedName(), requestEx.getRequestURI(), flushException); } requestEx.getAsyncContext().complete(); @@ -255,4 +255,8 @@ protected void onExecuteHttpServerFiltersFinish(Response response, Throwable e) invocation.onFinish(response); } } + + private String getMicroserviceQualifiedName() { + return null == invocation ? UNKNOWN_OPERATION_ID : invocation.getMicroserviceQualifiedName(); + } } diff --git a/common/common-rest/src/test/java/org/apache/servicecomb/common/rest/TestAbstractRestInvocation.java b/common/common-rest/src/test/java/org/apache/servicecomb/common/rest/TestAbstractRestInvocation.java index e8d4d7f08..cc0c2c013 100644 --- a/common/common-rest/src/test/java/org/apache/servicecomb/common/rest/TestAbstractRestInvocation.java +++ b/common/common-rest/src/test/java/org/apache/servicecomb/common/rest/TestAbstractRestInvocation.java @@ -440,6 +440,26 @@ protected void sendResponse(Response response) { // just log, check nothing } + @Test + public void sendResponseQuietlyExceptionOnNullInvocation(@Mocked Response response) { + restInvocation = new AbstractRestInvocationForTest() { + @Override + protected void doInvoke() { + } + + @Override + protected void sendResponse(Response response) { + throw new Error(""); + } + }; + initRestInvocation(); + restInvocation.invocation = null; + + restInvocation.sendResponseQuietly(response); + + // just log, check nothing, and should not throw NPE + } + @Test public void sendResponseStatusAndContentTypeAndHeader(@Mocked Response response) { new Expectations() { diff --git a/demo/demo-jaxrs/jaxrs-client/src/main/java/org/apache/servicecomb/demo/jaxrs/client/CodeFirstRestTemplateJaxrs.java b/demo/demo-jaxrs/jaxrs-client/src/main/java/org/apache/servicecomb/demo/jaxrs/client/CodeFirstRestTemplateJaxrs.java index 429a12ff5..38ae6e963 100644 --- a/demo/demo-jaxrs/jaxrs-client/src/main/java/org/apache/servicecomb/demo/jaxrs/client/CodeFirstRestTemplateJaxrs.java +++ b/demo/demo-jaxrs/jaxrs-client/src/main/java/org/apache/servicecomb/demo/jaxrs/client/CodeFirstRestTemplateJaxrs.java @@ -30,12 +30,15 @@ import org.springframework.core.io.FileSystemResource; import org.springframework.http.HttpEntity; import org.springframework.http.HttpHeaders; +import org.springframework.web.client.HttpClientErrorException; +import org.springframework.web.client.RestClientException; import org.springframework.web.client.RestTemplate; public class CodeFirstRestTemplateJaxrs extends CodeFirstRestTemplate { @Override protected void testAllTransport(String microserviceName, RestTemplate template, String cseUrlPrefix) { testDefaultPath(template, cseUrlPrefix); + test404(template); super.testAllTransport(microserviceName, template, cseUrlPrefix); } @@ -103,4 +106,17 @@ private void testFileAndStringUpload(RestTemplate template, String cseUrlPrefix, String result = template.postForObject(cseUrlPrefix + "/upload2", new HttpEntity<>(map, headers), String.class); TestMgr.check(expect, result); } + + private void test404(RestTemplate template) { + HttpClientErrorException exception = null; + try { + template.getForEntity("http://127.0.0.1:8080/aPathNotExist", String.class); + } catch (RestClientException e) { + if (e instanceof HttpClientErrorException) { + exception = (HttpClientErrorException) e; + } + } + TestMgr.check(404, exception.getRawStatusCode()); + TestMgr.check("404 Not Found", exception.getMessage()); + } } diff --git a/demo/demo-jaxrs/jaxrs-server/src/main/java/org/apache/servicecomb/demo/jaxrs/server/JaxrsDemoHttpServerFilter.java b/demo/demo-jaxrs/jaxrs-server/src/main/java/org/apache/servicecomb/demo/jaxrs/server/JaxrsDemoHttpServerFilter.java new file mode 100644 index 000000000..025847445 --- /dev/null +++ b/demo/demo-jaxrs/jaxrs-server/src/main/java/org/apache/servicecomb/demo/jaxrs/server/JaxrsDemoHttpServerFilter.java @@ -0,0 +1,46 @@ +/* + * 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.servicecomb.demo.jaxrs.server; + +import org.apache.servicecomb.common.rest.filter.HttpServerFilter; +import org.apache.servicecomb.core.Invocation; +import org.apache.servicecomb.foundation.vertx.http.HttpServletRequestEx; +import org.apache.servicecomb.foundation.vertx.http.HttpServletResponseEx; +import org.apache.servicecomb.swagger.invocation.Response; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class JaxrsDemoHttpServerFilter implements HttpServerFilter { + private static final Logger LOGGER = LoggerFactory.getLogger(JaxrsDemoHttpServerFilter.class); + + @Override + public int getOrder() { + return 0; + } + + @Override + public Response afterReceiveRequest(Invocation invocation, HttpServletRequestEx requestEx) { + return null; + } + + @Override + public void beforeSendResponse(Invocation invocation, HttpServletResponseEx responseEx) { + // in 404 situation, invocation is null and a NPE is thrown + LOGGER.info("JaxrsDemoHttpServerFilter is called, operation=[{}]", invocation.getOperationName()); + } +} diff --git a/demo/demo-jaxrs/jaxrs-server/src/main/resources/META-INF/services/org.apache.servicecomb.common.rest.filter.HttpServerFilter b/demo/demo-jaxrs/jaxrs-server/src/main/resources/META-INF/services/org.apache.servicecomb.common.rest.filter.HttpServerFilter new file mode 100644 index 000000000..5e737d86d --- /dev/null +++ b/demo/demo-jaxrs/jaxrs-server/src/main/resources/META-INF/services/org.apache.servicecomb.common.rest.filter.HttpServerFilter @@ -0,0 +1,18 @@ +# +# 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. +# + +org.apache.servicecomb.demo.jaxrs.server.JaxrsDemoHttpServerFilter \ No newline at end of file ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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