那些遇到过的问题

错误"java.lang.NoSuchFieldError:WRITE_DURATIONS_AS_TIMESTAMPS"

use*_*468 8 java maven

我正在使用Maven开发Java Web Service,这取决于另一个java项目.我将调用Web服务项目(项目2)和依赖项目(项目1)

所以我有一个"项目1"这个项目使用"com.fasterxml.jackson.datatype.joda.JodaModule"jar."项目1"具有此依赖性.

<dependencies>
    <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>19.0-rc2</version>
    </dependency>
    <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>2.6</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.7.12</version>
    </dependency>
    <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time</artifactId>
        <version>2.8.2</version>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.1</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.6.2</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-annotations</artifactId>
        <version>2.6.2</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.6.2</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.datatype</groupId>
        <artifactId>jackson-datatype-joda</artifactId>
        <version>2.6.2</version>
    </dependency>
    <dependency>
        <groupId>com.google.code.findbugs</groupId>
        <artifactId>jsr305</artifactId>
        <version>3.0.0</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-module-junit4</artifactId>
        <version>${powermock.version}</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-api-mockito</artifactId>
        <version>${powermock.version}</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.skyscreamer</groupId>
        <artifactId>jsonassert</artifactId>
        <version>1.2.3</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>com.yammer.dropwizard</groupId>
        <artifactId>dropwizard-testing</artifactId>
        <version>0.6.2</version>
        <scope>test</scope>
    </dependency>
</dependencies>
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现在我需要在"项目2"中使用"项目1".所以我写了这段代码

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

    ObjectMapper mapper = new ObjectMapper();
    mapper.setDateFormat(new ISO8601DateFormat());
    mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);
    JodaModule module = new JodaModule();
    mapper.registerModule(module);

}
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但是当我从客户那里打电话给邮报时.它给了我这个错误.

Warning:   StandardWrapperValve[Recieve]: Servlet.service() for servlet Recieve threw exception
java.lang.NoSuchFieldError: WRITE_DURATIONS_AS_TIMESTAMPS
    at com.fasterxml.jackson.datatype.joda.ser.DurationSerializer.<init>(DurationSerializer.java:28)
    at com.fasterxml.jackson.datatype.joda.ser.DurationSerializer.<init>(DurationSerializer.java:25)
    at com.fasterxml.jackson.datatype.joda.JodaModule.<init>(JodaModule.java:45)
    at Recieve.doPost(Recieve.java:82)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:415)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:282)
    at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
    at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201)
    at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175)
    at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
    at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)
    at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
    at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561)
    at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565)
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545)
    at java.lang.Thread.run(Thread.java:745)
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注意:我在Maven Java Project而不是Maven Web Java Project中尝试相同的代码,它在Maven java项目中工作.

public class test {

public static void main(String[] args) {
    ObjectMapper mapper = new ObjectMapper();
    mapper.setDateFormat(new ISO8601DateFormat());
    mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);
    JodaModule module = new JodaModule();
    mapper.registerModule(module);
    }
}
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编辑1:

我正在研究glassfish 4.1,当我将服务器更改为tomcat时,它可以工作.所以我认为glassfish中存在冲突罐子.但到现在为止我不知道如何解决这场冲突.

Ger*_*cso 17

这是由jackson libs和joda之间的依赖性不匹配引起的.当仅使用原始Maven模块时,它正在为您工作,因为它将所有jackson库声明为2.6.2,这是正确的.你的封闭webapp肯定使用另一个杰克逊版本作为直接或传递依赖.这会导致类似路径上存在不兼容的jar.

要验证:只需检查您的WEB-INF/lib并查找与jackson相关的所有库.你会发现非2.6.2版本的.

要修复:您需要决定是否能够在Web应用程序上升级到新版本.然后相应地配置Maven依赖项.

Mar*_*ari 3

看起来像是依赖冲突。确保两个项目加载相同的 joda-time （及其依赖项）版本。

您可以通过在命令行中运行来查看依赖关系树mvn dependency:tree，或者通过在 Eclipse 中使用 POM 编辑器打开 pom.xml 时查看“依赖关系层次结构”面板来查看依赖关系树。

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