bom 文件调整
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YunaiV
@@ -1,106 +0,0 @@
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package cn.iocoder.common.framework.dubbo;
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import cn.iocoder.common.framework.exception.ServiceException;
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import org.apache.dubbo.common.constants.CommonConstants;
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import org.apache.dubbo.common.extension.Activate;
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import org.apache.dubbo.common.logger.Logger;
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import org.apache.dubbo.common.logger.LoggerFactory;
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import org.apache.dubbo.common.utils.ReflectUtils;
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import org.apache.dubbo.common.utils.StringUtils;
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import org.apache.dubbo.rpc.*;
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import org.apache.dubbo.rpc.filter.ExceptionFilter;
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import org.apache.dubbo.rpc.service.GenericService;
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import java.lang.reflect.Method;
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/**
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* 基于 {@link org.apache.dubbo.rpc.filter.ExceptionFilter} 实现
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*
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* 主要目的是，一些全局性的异常，能够返回。因为，Dubbo Consumer 能够保证，一定会引入全局性的异常。
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*/
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@Activate(group = CommonConstants.PROVIDER)
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public class DubboExceptionFilter implements Filter {
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private final Logger logger;
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public DubboExceptionFilter() {
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this(LoggerFactory.getLogger(ExceptionFilter.class));
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}
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public DubboExceptionFilter(Logger logger) {
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this.logger = logger;
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}
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@Override
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public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
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try {
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return invoker.invoke(invocation);
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} catch (RuntimeException e) {
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logger.error("Got unchecked and undeclared exception which called by " + RpcContext.getContext().getRemoteHost()
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+ ". service: " + invoker.getInterface().getName() + ", method: " + invocation.getMethodName()
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+ ", exception: " + e.getClass().getName() + ": " + e.getMessage(), e);
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throw e;
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}
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}
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@Override
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public Result onResponse(Result result, Invoker<?> invoker, Invocation invocation) {
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if (result.hasException() && GenericService.class != invoker.getInterface()) {
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try {
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Throwable exception = result.getException();
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// directly throw if it's checked exception
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if (!(exception instanceof RuntimeException) && (exception instanceof Exception)) {
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return result;
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} else if (exception instanceof ServiceException) { // add by 芋艿。如果是业务异常，继续抛出
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return result;
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}
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// directly throw if the exception appears in the signature
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try {
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Method method = invoker.getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes());
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Class<?>[] exceptionClassses = method.getExceptionTypes();
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for (Class<?> exceptionClass : exceptionClassses) {
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if (exception.getClass().equals(exceptionClass)) {
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return result;
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}
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}
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} catch (NoSuchMethodException e) {
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return result;
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}
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// for the exception not found in method's signature, print ERROR message in server's log.
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logger.error("Got unchecked and undeclared exception which called by " + RpcContext.getContext().getRemoteHost()
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+ ". service: " + invoker.getInterface().getName() + ", method: " + invocation.getMethodName()
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+ ", exception: " + exception.getClass().getName() + ": " + exception.getMessage(), exception);
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// directly throw if exception class and interface class are in the same jar file.
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String serviceFile = ReflectUtils.getCodeBase(invoker.getInterface());
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String exceptionFile = ReflectUtils.getCodeBase(exception.getClass());
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if (serviceFile == null || exceptionFile == null || serviceFile.equals(exceptionFile)) {
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return result;
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}
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// directly throw if it's JDK exception
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String className = exception.getClass().getName();
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if (className.startsWith("java.") || className.startsWith("javax.")) {
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return result;
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}
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// directly throw if it's dubbo exception
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if (exception instanceof RpcException) {
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return result;
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}
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// otherwise, wrap with RuntimeException and throw back to the client
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result.setException(new RuntimeException(StringUtils.toString(exception)));
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return result;
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} catch (Throwable e) {
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logger.warn("Fail to ExceptionFilter when called by " + RpcContext.getContext().getRemoteHost()
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+ ". service: " + invoker.getInterface().getName() + ", method: " + invocation.getMethodName()
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+ ", exception: " + e.getClass().getName() + ": " + e.getMessage(), e);
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return result;
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}
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}
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return result;
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}
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}
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@@ -43,4 +43,6 @@ public final class ServiceException extends RuntimeException {
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return code;
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}
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}
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@@ -1,52 +1,9 @@
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package cn.iocoder.common.framework.util;
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import cn.iocoder.common.framework.exception.ServiceException;
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import org.apache.commons.lang3.exception.ExceptionUtils;
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import javax.validation.ConstraintViolationException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.UndeclaredThrowableException;
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public class ExceptionUtil {
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public static ServiceException getServiceException(Exception e) {
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if (e instanceof UndeclaredThrowableException) {
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return getServiceException((UndeclaredThrowableException) e);
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}
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return null;
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}
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// 处理 Spring 动态代理调用时，发生 UndeclaredThrowableException 的情况。
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// 不了解的胖友，可以先看看 https://segmentfault.com/a/1190000012262244 文章
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// 原因是：
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// 1. Dubbo 动态代理 Wrapper 会将抛出的异常，包装成 InvocationTargetException 异常
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// 2. Spring AOP 发现是 InvocationTargetException 异常是非方法定义的异常，则会包装成 UndeclaredThrowableException 异常。
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@Deprecated // https://github.com/apache/incubator-dubbo/issues/3386 Dubbo 2.6.5 会触发该问题，在 2.7.1 版本已经解决。
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public static ServiceException getServiceException(UndeclaredThrowableException e) {
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Throwable undeclaredThrowable = e.getUndeclaredThrowable();
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if (undeclaredThrowable instanceof InvocationTargetException) {
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InvocationTargetException invocationTargetException = (InvocationTargetException) undeclaredThrowable;
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Throwable targetException = invocationTargetException.getTargetException();
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if (targetException != null & targetException instanceof ServiceException) {
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return (ServiceException) targetException;
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}
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}
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return null;
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}
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@Deprecated // https://github.com/apache/incubator-dubbo/issues/3386 Dubbo 2.6.5 会触发该问题，在 2.7.1 版本已经解决。
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public static ConstraintViolationException getConstraintViolationException(UndeclaredThrowableException e) {
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Throwable undeclaredThrowable = e.getUndeclaredThrowable();
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if (undeclaredThrowable instanceof InvocationTargetException) {
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InvocationTargetException invocationTargetException = (InvocationTargetException) undeclaredThrowable;
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Throwable targetException = invocationTargetException.getTargetException();
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if (targetException instanceof ConstraintViolationException) {
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return (ConstraintViolationException) targetException;
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}
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}
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return null;
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}
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public static String getMessage(Throwable th) {
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return ExceptionUtils.getMessage(th);
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}
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@@ -2,7 +2,7 @@ package cn.iocoder.common.framework.vo;
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import cn.iocoder.common.framework.enums.GlobalErrorCodeEnum;
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import cn.iocoder.common.framework.util.ServiceExceptionUtil;
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import com.fasterxml.jackson.annotation.JsonIgnore;
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import com.alibaba.fastjson.annotation.JSONField;
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import org.springframework.util.Assert;
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import java.io.Serializable;
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@@ -95,12 +95,12 @@ public final class CommonResult<T> implements Serializable {
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return this;
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}
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@JsonIgnore
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@JSONField(serialize = false) // 避免序列化
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public boolean isSuccess() {
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return CODE_SUCCESS.equals(code);
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}
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@JsonIgnore
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@JSONField(serialize = false) // 避免序列化
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public boolean isError() {
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return !isSuccess();
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}
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@@ -1 +0,0 @@
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dubboExceptionFilter=cn.iocoder.common.framework.dubbo.DubboExceptionFilter
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