使用tomcat的Web服务无法正常工作 [英] Web service using tomcat not working
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问题描述
实际上，我在Web服务开发中是一个全新的领域.我无法使用eclipse oxygen，tomcat 7，jersey库运行简单的动态Web服务应用程序.我知道有很多解决方案可供我尝试，但没有任何工作对我有效，我无法找出我在哪里犯错.
Actually i am completely new in web service development. I am unable to run simple dynamic web service application using eclipse oxygen, tomcat 7, jersey library. i know there is so many solutions are available i have tried but nothing is working for me, I am unable to find out where i am making mistake.
这是我的课程.
package book;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
@Path("/book")
public class Book {
@GET
@Produces(MediaType.TEXT_XML)
public String sayHelloXML(){
String response = "<?xml version='1.0'?>"+
"<hello>Hello XML</hello>";
return response;
}
}
这是web.xml文件.
this is web.xml file.
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>WSdemo</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>JAVA WS</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>jersey.config.server.provider.packages</param-name>
<param-value>book</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>JAVA WS</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
</web-app>
我遇到一些错误，但我无法解决
I am getting some error but i am unable to resolve
Nov 07, 2017 1:35:11 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_151\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.8.0_151/bin/server;C:/Program Files/Java/jre1.8.0_151/bin;C:/Program Files/Java/jre1.8.0_151/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Users\sesatuser\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files\Microsoft SQL Server\120\Tools\Binn\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\Microsoft Emulator Manager\1.0\;C:\Program Files (x86)\nodejs\;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;C:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\Java\jdk1.8.0_144;;C:\Users\sesatuser\Desktop;;.
Nov 07, 2017 1:35:12 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:WSdemo' did not find a matching property.
Nov 07, 2017 1:35:12 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Nov 07, 2017 1:35:12 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Nov 07, 2017 1:35:12 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1031 ms
Nov 07, 2017 1:35:12 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Nov 07, 2017 1:35:12 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.47
Nov 07, 2017 1:35:16 PM org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [152] milliseconds.
Nov 07, 2017 1:35:16 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(C:\Users\sesatuser\eclipse-workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\WSdemo\WEB-INF\lib\el-api-2.2.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/el/Expression.class
Nov 07, 2017 1:35:16 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(C:\Users\sesatuser\eclipse-workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\WSdemo\WEB-INF\lib\javax.servlet-api-3.0.1.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
Nov 07, 2017 1:35:16 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar
SEVERE: Unable to process Jar entry [module-info.class] from Jar [jar:file:/C:/Users/sesatuser/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/WSdemo/WEB-INF/lib/javax.json-api-1.1.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Nov 07, 2017 1:35:20 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar
SEVERE: Unable to process Jar entry [module-info.class] from Jar [jar:file:/C:/Users/sesatuser/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/WSdemo/WEB-INF/lib/yasson-1.0.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Nov 07, 2017 1:35:20 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar
SEVERE: Unable to process Jar entry [module-info.class] from Jar [jar:file:/C:/Users/sesatuser/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/WSdemo/WEB-INF/lib/javax.json.bind-api-1.0.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Nov 07, 2017 1:35:20 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar
SEVERE: Unable to process Jar entry [module-info.class] from Jar [jar:file:/C:/Users/sesatuser/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/WSdemo/WEB-INF/lib/javax.json-1.1.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Nov 07, 2017 1:35:21 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Nov 07, 2017 1:35:21 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Nov 07, 2017 1:35:21 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 9679 ms
我正在使用此
http://localhost:8080/WSdemo/rest/book/sayHelloXML/
在浏览器中输出
output in browser
推荐答案
From this bug page : Tomcat should skip or handle module-info.class when scanning for annotations, you can see that the bug is the same :
SEVERE: Unable to process Jar entry [module-info.class] from Jar [file:...../javax.json-1.1.0-M1.jar] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:97)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:54)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:174)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:83)
工作正在进行中:
尽管Tomcat代码可以独立于BCEL进行更新，但我们必须 知道代码"19"是什么表示要跳过的字节数(对于 简单的例子，如果可以忽略的话.)
Although Tomcat code can be updated independently of BCEL, we must know what the code "19" means and thus how many bytes to skip (for the simple case if it can be ignored).
和
19是CONSTANT_Module，而20是CONSTANT_Package.
19 is CONSTANT_Module and 20 is CONSTANT_Package.
我完全没有理由在module-info上扫描注释. 无论如何，在这里都不希望使用@ WebServlet，@ WebFilter或@WebListener.
I don't see a reason to scan module-info for annotations at all. @WebServlet, @WebFilter, or @WebListener is not expected here anyway.
和
看起来我们只需要跳过2个字节.更改需要 首先在Commons BCEL中实现，然后回移植到Tomcat.
Looks like we just need to skip 2 bytes. The change needs to be implemented in Commons BCEL first and then back-ported to Tomcat.
最后，该错误已在以下版本中修复:
and finally the bug has been fixed in following versions :
BCEL已更新，后端口已完成.
BCEL updated and back-port complete.
已修复:
-
从9.0.0.M18开始的行李箱
trunk for 9.0.0.M18 onwards
8.5.x(从8.5.12开始)
8.5.x for 8.5.12 onwards
8.0.x(从8.0.42开始)
8.0.x for 8.0.42 onwards
7.0.x自 7.0.76 起
因此，如果您要坚持使用Tomcat 7，请至少升级到7.0.76版本.
So if you want to stick to Tomcat 7, upgrade to at least version 7.0.76 .
这篇关于使用tomcat的Web服务无法正常工作的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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