java.lang.NoSuchMethodError:javax.ws.rs.ext.MessageBodyWriter.isWriteable [英] java.lang.NoSuchMethodError: javax.ws.rs.ext.MessageBodyWriter.isWriteable
问题描述
我在这里遵循了指南 http://docs有关如何发送POST请求的.neo4j.org/chunked/milestone/server-java-rest-client-example.html .使用下面的代码，我得到错误java.lang.NoSuchMethodError: javax.ws.rs.ext.MessageBodyWriter.isWriteable，这似乎与我正在使用的库有关.
I followed the guide here http://docs.neo4j.org/chunked/milestone/server-java-rest-client-example.html on how to send a POST request. Using the below code I get the error java.lang.NoSuchMethodError: javax.ws.rs.ext.MessageBodyWriter.isWriteable which appears to be an issue with the library I'm using.
public Object getResponse(Object responseClass) {
Client client = Client.create();
WebResource webResource = client.resource(getUrl());
ClientResponse response = webResource
.type(MediaType.APPLICATION_JSON)
.entity(responseClass)
.post(ClientResponse.class);
if (response.getStatus() != 201)
return null;
return response.getEntity(responseClass.getClass());
}
我不确定是否缺少依赖项或什么...
I am unsure if I'm missing a dependency or what...
我的pom.xml包含
my pom.xml includes
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-jaxrs</artifactId>
<version>1.9.12</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>2.1.2</version>
</dependency>
pom.xml
<dependencies>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.23</version>
</dependency>
<dependency>
<groupId>org.apache.axis</groupId>
<artifactId>axis</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>commons-discovery</groupId>
<artifactId>commons-discovery</artifactId>
<version>0.4</version>
</dependency>
<dependency>
<groupId>javax.xml</groupId>
<artifactId>jaxrpc-api</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>wsdl4j</groupId>
<artifactId>wsdl4j</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.4</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>2.1.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.2</version>
</dependency>
<!-- Jersey & Jackson -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-jaxrs</artifactId>
<version>1.9.12</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-xc</artifactId>
<version>1.9.12</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-server</artifactId>
<version>1.17</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-json</artifactId>
<version>1.17</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-servlet</artifactId>
<version>1.17</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-grizzly2</artifactId>
<version>1.17</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-client</artifactId>
<version>1.17.1</version>
</dependency>
<!-- Spring, Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.1.9.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.1.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.1.9.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.5.6-Final</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.2.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.2.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>1.2.0.RELEASE</version>
</dependency>
</dependencies>
更新 删除以下条目即可解决
update removing the below entry fixed it
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>2.1.2</version>
</dependency>
推荐答案
似乎您的类路径中有不同的javax.ws.rs.ext.MessageBodyWriter类.一个来自jsr311-api-0.8.jar，另一个来自jersey-core-1.17.jar.因此，请仔细管理依赖项.
It seems that you have different javax.ws.rs.ext.MessageBodyWriter classes in your classpath. One is from jsr311-api-0.8.jar and the other one is from jersey-core-1.17.jar. So please manage the dependencies carefully.
顺便说一句，如果您使用的工具，例如 JFind (找到一个类在目录/JAR中)和 jd-gui (反编译JAR)，您可以轻松解决这类问题.
By the way, if you use tools, like JFind (find a class in a directory/JAR) and jd-gui (decompile a JAR), you can resolve this kind of issues easily.
以下是我的JFind输出:
The following is my JFind output:
ClassName = javax/ws/rs/ext/MessageBodyWriter.class
JarName = C:\Users\lhuang\.m2\repository\com\sun\jersey\jersey-core\1.17\jersey-core-1.17.jar
----------------
ClassName = javax/ws/rs/ext/MessageBodyWriter.class
JarName = C:\Users\lhuang\.m2\repository\javax\ws\rs\jsr311-api\0.8\jsr311-api-0.8.jar
----------------
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