我正在 eclipse 中使用 Tomcat 7.0 + Maven + Java EE + JDK 10.0.2 创建 api 休息,并收到此错误:
Error:
HTTP 状态 500 - servlet api 的 Servlet.init() 引发异常
类型异常报告
servlet api 的消息 Servlet.init() 抛出异常
描述 服务器遇到内部错误,导致无法正常运行
从满足这个要求。
异常 javax.servlet.ServletException:servlet 的 Servlet.init()
api抛出异常
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
java.base/java.lang.Thread.run(Thread.java:844)
根本原因 java.lang.IllegalArgumentException
jersey.repackaged.org.objectweb.asm.ClassReader。(ClassReader.java:170)
jersey.repackaged.org.objectweb.asm.ClassReader。(ClassReader.java:153)
jersey.repackaged.org.objectweb.asm.ClassReader。(ClassReader.java:424)
com.sun.jersey.spi.scanning.AnnotationScannerListener.onProcess(AnnotationScannerListener.java:138)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner$2.f(WebAppResourcesScanner.java:104)
com.sun.jersey.core.util.Closing.f(Closing.java:71)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:102)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:89)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:89)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:89)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:89)
com.sun.jersey.spi.scanning.servlet.WebAppResourcesScanner.scan(WebAppResourcesScanner.java:79)
com.sun.jersey.api.core.ScanningResourceConfig.init(ScanningResourceConfig.java:80)
com.sun.jersey.api.core.servlet.WebAppResourceConfig.init(WebAppResourceConfig.java:102)
com.sun.jersey.api.core.servlet.WebAppResourceConfig。(WebAppResourceConfig.java:89)
com.sun.jersey.api.core.servlet.WebAppResourceConfig。(WebAppResourceConfig.java:74)
com.sun.jersey.spi.container.servlet.WebComponent.getWebAppResourceConfig(WebComponent.java:668)
com.sun.jersey.spi.container.servlet.ServletContainer.getDefaultResourceConfig(ServletContainer.java:435)
com.sun.jersey.spi.container.servlet.ServletContainer.getDefaultResourceConfig(ServletContainer.java:602)
com.sun.jersey.spi.container.servlet.WebServletConfig.getDefaultResourceConfig(WebServletConfig.java:87)
com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:699)
com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:674)
com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:205)
com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:394)
com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:577)
javax.servlet.GenericServlet.init(GenericServlet.java:160)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
java.base/java.lang.Thread.run(Thread.java:844)
注意 根本原因的完整堆栈跟踪可在 Apache
Tomcat/7.0.47 日志。
阿帕奇汤姆猫/7.0.47
web.xml
<?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" version="3.0">
<display-name>api</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>api</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>api</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
</web-app>
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>api</groupId>
<artifactId>api</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<release>10</release>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.1</version>
<configuration>
<warSourceDirectory>WebContent</warSourceDirectory>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<version>3.3.1</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-bundle</artifactId>
<version>1.19.4</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20170516</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-server</artifactId>
<version>1.19.4</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-core</artifactId>
<version>1.19.4</version>
</dependency>
</dependencies>
</project>
经过一番挖掘后,我发现IllegalArgumentException
被 Jersey 重新打包的 ASM 库抛出。
我不能确定我的版本是否正确,但在第 170 行,代码如下:
// checks the class version
// added "support" for java 9 compiled classes
if (readShort(off + 6) > Opcodes.V9) {
throw new IllegalArgumentException();
}
该代码正在检查它尝试读取的类的类文件版本号,并抛出IllegalArgumentException
如果太新了。
简而言之,您正在尝试使用一些使用 Java 编译器编译的 Java 类,而该编译器对于 ASM 库来说太新了:
- 使用较旧的 JDK 或设置
-target
版本较旧。
- 或者,找到/安装经过您正在构建的 Java 版本认证的 Jersey 版本。
让我感到奇怪的一件事是,您对 POM 文件中的旧版本“asm”有明确的依赖。但是,堆栈跟踪表明您没有使用该版本。
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