使用maven，Rest调用返回415响应代码

时间：2013-08-28 15:06:42

标签： java maven jersey

我在将项目迁移到Maven构建后尝试运行测试时出现以下错误。 使用没有Maven的正常构建路径的相同代码，测试工作得很好。

com.sun.jersey.spi.container.ContainerRequest getEntity
SEVERE: A message body reader for Java class java.util.Vector, and Java type java.util.Vector<Stuff>, and MIME media type application/json; charset=UTF-8 was not found.
The registered message body readers compatible with the MIME media type are:
application/json; charset=UTF-8 ->
  com.sun.jersey.json.impl.provider.entity.JSONJAXBElementProvider$App
  com.sun.jersey.json.impl.provider.entity.JSONRootElementProvider$App
  com.sun.jersey.json.impl.provider.entity.JSONListElementProvider$App
*/* ->
  com.sun.jersey.core.impl.provider.entity.FormProvider
  com.sun.jersey.core.impl.provider.entity.MimeMultipartProvider
  com.sun.jersey.core.impl.provider.entity.StringProvider
  com.sun.jersey.core.impl.provider.entity.ByteArrayProvider
  com.sun.jersey.core.impl.provider.entity.FileProvider
  com.sun.jersey.core.impl.provider.entity.InputStreamProvider
  com.sun.jersey.core.impl.provider.entity.DataSourceProvider
  com.sun.jersey.core.impl.provider.entity.XMLJAXBElementProvider$General
  com.sun.jersey.core.impl.provider.entity.ReaderProvider
  com.sun.jersey.core.impl.provider.entity.DocumentProvider
  com.sun.jersey.core.impl.provider.entity.SourceProvider$StreamSourceReader
  com.sun.jersey.core.impl.provider.entity.SourceProvider$SAXSourceReader
  com.sun.jersey.core.impl.provider.entity.SourceProvider$DOMSourceReader
  com.sun.jersey.json.impl.provider.entity.JSONJAXBElementProvider$General
  com.sun.jersey.core.impl.provider.entity.XMLRootElementProvider$General
  com.sun.jersey.core.impl.provider.entity.XMLListElementProvider$General
  com.sun.jersey.core.impl.provider.entity.XMLRootObjectProvider$General
  com.sun.jersey.core.impl.provider.entity.EntityHolderReader
  com.sun.jersey.json.impl.provider.entity.JSONRootElementProvider$General
  com.sun.jersey.json.impl.provider.entity.JSONListElementProvider$General

我的测试场景：

@Test
public void test()
{
    try {
        System.out.println(makeHttpRequest(new URL("http://localhost:8080/json/process"), "[]", DEFAULT_TIMEOUTS));
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

makeHttpRequest：

private static String makeHttpRequest(URL url, String body, int timeout) throws IOException {
    HttpURLConnection conn = null;
    OutputStream os = null;
    InputStream is = null;
    String response = null;

    byte[] bytes = null;
    try {
        bytes = body.getBytes("UTF-8");
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }

    try {
        conn = (HttpURLConnection) (url.openConnection());
        conn.setReadTimeout(timeout);
        conn.setConnectTimeout(timeout);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        conn.setRequestProperty("Content-Length", "" + bytes.length);
        conn.setDoOutput(true);
        os = new DataOutputStream(conn.getOutputStream());
        os.write(bytes);
        os.flush();
        os.close();
        StringWriter writer = new StringWriter();
        is = conn.getInputStream();
        IOUtils.copy(is, writer, "UTF-8");
        response = writer.toString();

        conn.disconnect();
    } finally {
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
            }
        }
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
            }
        }
    }
    return response;
}

JSONService：

@POST
@Path("/process")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public Vector<Stuff> getLocations(Vector<Stuff> stuff) {
    return processor.process(stuff);
}

的.classpath：

<classpath>
        <classpathentry kind="src" path="src"/>
        <classpathentry kind="src" path="test"/>
        <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.    debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
        <classpathentry kind="lib" path="lib/jetty-all-server-8.1.10.v20130312.jar"/>
        <classpathentry kind="lib" path="lib/servlet-api-3.0.jar"/>
        <classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
        <classpathentry kind="lib" path="lib/commons-io-2.4.jar"/>
        <classpathentry kind="lib" path="lib/commons-lang3-3.1.jar"/>
        <classpathentry kind="lib" path="lib/json-simple-1.1.1.jar"/>
        <classpathentry kind="lib" path="lib/jersey-bundle-1.17.1.jar"/>
        <classpathentry kind="lib" path="lib/org.objectweb.asm-3.1.0.jar"/>
        <classpathentry kind="lib" path="lib/jackson-all-1.9.11.jar"/>
        <classpathentry kind="lib" path="/trunk/server/thirdparty/lib/misc/log4j-1.2.15.jar"/>
        <classpathentry kind="lib" path="/trunk/server/thirdparty/lib/tomcat7/tomcat-jdbc.jar"/>
        <classpathentry kind="lib" path="lib/mysql-connector-java-5.1.26-bin.jar"/>
        <classpathentry kind="lib" path="lib/tomcat-juli-7.0.37.jar"/>
        <classpathentry kind="output" path="bin"/>
</classpath>

Maven dependecies：

<dependencies>
    <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-jdbc</artifactId>
        <version>8.0.0-RC1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-1.2-api</artifactId>
        <version>2.0-beta8</version>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-core-asl</artifactId>
        <version>1.9.13</version>
    </dependency>
    <dependency>
        <groupId>org.codehaus.jackson</groupId>
        <artifactId>jackson-mapper-asl</artifactId>
        <version>1.9.13</version>
    </dependency>
    <dependency>
        <groupId>com.googlecode.json-simple</groupId>
        <artifactId>json-simple</artifactId>
        <version>1.1.1</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.6</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.4</version>
    </dependency>
    <dependency>
        <groupId>org.eclipse.jetty.aggregate</groupId>
        <artifactId>jetty-all-server</artifactId>
        <version>8.1.12.v20130726</version>
    </dependency>
    <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-bundle</artifactId>
        <version>1.17.1</version>
    </dependency>
    <dependency>
        <groupId>asm</groupId>
        <artifactId>asm</artifactId>
        <version>3.3.1</version>
    </dependency>
</dependencies>

1 个答案:

答案 0 :(得分：1)

添加依赖项jersey-json。它应该照顾其余部分。

<dependency>
  <groupId>com.sun.jersey</groupId>
  <artifactId>jersey-json</artifactId>
  <version>1.17.1</version>
</dependency>

说明： Maven为您处理强制依赖。您无需考虑需要添加哪些罐才能使某些库正常工作。 jersey-json是一个可选的依赖项，它将类型处理程序类添加到类路径中。 Maven不会为您处理这种依赖，因为您可能决定使用其他包。

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