dan*_*hem 7 java tomcat servlets
MyResource
@Path("myresource")
public class MyResource {
/**
* Method handling HTTP GET requests. The returned object will be sent
* to the client as "text/plain" media type.
*
* @return String that will be returned as a text/plain response.
*/
@GET
@Produces(MediaType.TEXT_PLAIN)
public String getIt() {
return "Got it!";
}
}
的index.jsp
<html>
<body>
<h2>Jersey RESTful Web Application!</h2>
<p><a href="webapi/myresource">Jersey resource</a>
<p>Visit <a href="http://jersey.java.net">Project Jersey website</a>
for more information on Jersey!
</body>
</html>
web.xml中
<?xml version="1.0" encoding="UTF-8"?>
<!-- This web.xml file is not required when using Servlet 3.0 container,
see implementation details http://jersey.java.net/nonav/documentation/latest/jax-rs.html -->
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<servlet>
<servlet-name>Jersey Web Application</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>jersey.config.server.provider.packages</param-name>
<param-value>dev.webapp</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Jersey Web Application</servlet-name>
<url-pattern>/webapi/*</url-pattern>
</servlet-mapping>
</web-app>
的pom.xml
http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>dev</groupId>
<artifactId>webapp</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>webapp</name>
<build>
<finalName>webapp</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.5.1</version>
<inherited>true</inherited>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.glassfish.jersey</groupId>
<artifactId>jersey-bom</artifactId>
<version>${jersey.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet-core</artifactId>
<!-- use the following artifactId if you don't need servlet 2.x compatibility -->
<!-- artifactId>jersey-container-servlet</artifactId -->
</dependency>
<!-- uncomment this to get JSON support
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-moxy</artifactId>
</dependency>
-->
</dependencies>
<properties>
<jersey.version>2.26-b04</jersey.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
错误
HTTP状态500 - Servlet的Servlet.init()Jersey Web应用程序引发异常
类型异常报告
消息Servlet.init()用于servlet Jersey Web应用程序抛出异常
description服务器遇到内部错误,导致无法完成此请求.
异常javax.servlet.ServletException:servlet的Servlet.init()Jersey Web应用程序抛出异常org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve .java:79)org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)org.apache.coyote.http11.AbstractHttp11Processor .process(AbstractHttp11Processor.java:1132)org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process(AbstractProtocol.java:684)org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1533)org .apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run(NioEndpoint.java:1489)java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)java.util.concurrent.ThreadPoolExecutor $ Worker.run(Unknown Source)org .apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run(TaskThread.j ava:61)java.lang.Thread.run(未知来源)
root cause java.lang.IllegalStateException:找不到InjectionManagerFactory.org.glassfish.jersey.internal.inject.Injections.lookupInjectionManagerFactory(Injections.java:97)org.glassfish.jersey.internal.inject.Injections.createInjectionManager(Injections.java:89)org.glassfish.jersey.server.ApplicationHandler. (ApplicationHandler.java:282)org.glassfish.jersey.servlet.WebComponent.(WebComponent.java:335)org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:178)org.glassfish.jersey.servlet. ServletContainer.init(ServletContainer.java:370)javax.servlet.GenericServlet.init(GenericServlet.java:158)org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)org.apache.catalina.valves. ErrorReportValve.invoke(ErrorReportValve.java:79)org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)org.apache. coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)org.apache.coyote.AbstractProto col $ AbstractConnectionHandler.process(AbstractProtocol.java:684)org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1533)org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run( NioEndpoint.java:1489)java.util.concurrent.ThreadPoolExecutor.runWorker(未知来源)java.util.concurrent.ThreadPoolExecutor $ Worker.run(未知来源)org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run( TaskThread.java:61)java.lang.Thread.run(未知来源)
note备注根本原因的完整堆栈跟踪在Apache Tomcat /8.0.43日志中.
Apache Tomcat/8.0.43
小智 44
添加关注依赖:
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
</dependency>
小智 14
我有相同的根本原因:java.lang.IllegalStateException:找不到InjectionManagerFactory.
在pom.xml中进行了一些更改之后,它终于有效了.请尝试以下方法:
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet</artifactId>
<version>2.26-b06</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
<version>2.26-b06</version>
</dependency>
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