0

在我的 Java 应用程序中，所有 Rest 服务调用都出现以下错误，例如：

https://example.com/secselfservice/rest/ping

返回： HTTP 状态 500 - Authenticator.invoke() 失败

错误日志：

 javax.servlet.ServletException: Authenticator.invoke() failed at
 com.sap.core.jpaas.security.auth.service.lib.AbstractAuthenticator.invoke(AbstractAuthenticator.java:174)
 at
 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
 at
 org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
 at
 com.sap.core.tenant.valve.TenantValidationValve.invokeNextValve(TenantValidationValve.java:168)
 at
 com.sap.core.tenant.valve.TenantValidationValve.invoke(TenantValidationValve.java:94)
 at
 com.sap.js.statistics.tomcat.valve.RequestTracingValve.invoke(RequestTracingValve.java:38)
 at
 com.sap.core.js.monitoring.tomcat.valve.RequestTracingValve.invoke(RequestTracingValve.java:27)
 at
 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
 at
 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
 at
 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
 at
 org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083)
 at
 org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640)
 at
 org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
 at
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at
 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.lang.Thread.run(Thread.java:807) Caused by:
 java.lang.NullPointerException: while trying to invoke the method
 java.lang.String.length() of a null object loaded from local variable
 'name' at
 org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:338)
 at
 org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
 at
 org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212)
 at
 org.eclipse.gemini.web.tomcat.internal.loading.BundleDelegatingClassLoader.findClass(BundleDelegatingClassLoader.java:91)
 at
 org.eclipse.gemini.web.tomcat.internal.loading.BundleDelegatingClassLoader.loadClass(BundleDelegatingClassLoader.java:139)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:427) at
 org.eclipse.gemini.web.tomcat.internal.loading.ChainedClassLoader.doLoadClass(ChainedClassLoader.java:174)
 at
 org.eclipse.gemini.web.tomcat.internal.loading.ChainedClassLoader.loadClass(ChainedClassLoader.java:164)
 at
 org.eclipse.gemini.web.tomcat.internal.loading.BundleWebappClassLoader.loadClass(BundleWebappClassLoader.java:298)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:427) at
 org.apache.catalina.core.StandardWrapper.servletSecurityAnnotationScan(StandardWrapper.java:1211)
 at
 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
at
 com.sap.core.jpaas.security.auth.service.lib.AbstractAuthenticator.invoke(AbstractAuthenticator.java:170)
 ... 16 common frames omitted

这是我的 web.xml 的代码：

<?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>secselfservice</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
  <servlet>
    <servlet-name>com.sap.coe.securityselfservice.rest.SecSelfServApplication</servlet-name>
    <init-param>
      <param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
      <param-value>true</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>com.sap.coe.securityselfservice.rest.SecSelfServApplication</servlet-name>
    <url-pattern>/rest/*</url-pattern>
  </servlet-mapping>
  <resource-ref>
    <res-ref-name>user/Provider</res-ref-name>
    <res-type>com.sap.security.um.user.UserProvider</res-type>
  </resource-ref>
  <resource-ref>
    <res-ref-name>mail/SAPInternalNWCloudSession</res-ref-name>
    <res-type>javax.mail.Session</res-type>
  </resource-ref>
  <login-config>
    <auth-method>FORM</auth-method>
  </login-config>
  <security-role>
    <description>All SAP HANA Cloud Platform users</description>
    <role-name>EVERYONE</role-name>
  </security-role>
  <security-role>
    <description>Members of security team</description>
    <role-name>Approver</role-name>
  </security-role>
  <security-role>
    <description>Read only access to admin view</description>
    <role-name>Viewer</role-name>
  </security-role>
  <security-role>
    <description>Superadmin</description>
    <role-name>Tester</role-name>
  </security-role>
  <security-constraint>
    <web-resource-collection>
      <web-resource-name>all</web-resource-name>
      <url-pattern>/*</url-pattern>
    </web-resource-collection>
    <auth-constraint>
      <role-name>Approver</role-name>
      <role-name>Viewer</role-name>
      <role-name>Tester</role-name>
      <role-name>EVERYONE</role-name>
    </auth-constraint>
    <user-data-constraint>
      <transport-guarantee>CONFIDENTIAL</transport-guarantee>
    </user-data-constraint>
  </security-constraint>
  <ejb-local-ref>
    <ejb-ref-name>ejb/CustomDataEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.Customization</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/MailTemplateEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.MailTemplates</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/QuestionEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.Questions</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/UsrVariantEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.UsrVariants</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/ProjectEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.Projects</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/ProjectRequestEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.ProjectRequests</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/UserEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.Users</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/ResourcesEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.Resources</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/ProjectAnswerObserverEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.observer.ProjectAnswerObserver</local>
  </ejb-local-ref>
  <ejb-local-ref>
    <ejb-ref-name>ejb/ProjectDataObserverEJB</ejb-ref-name>
    <local>com.sap.coe.securityselfservice.ejb.observer.ProjectDataObserver</local>
  </ejb-local-ref>
  <context-param>
    <param-name>resteasy.providers</param-name>
    <param-value>com.sap.coe.securityselfservice.rest.exception.WebServiceExceptionHandler</param-value>
  </context-param>
  <session-config>
    <session-timeout>30</session-timeout>
  </session-config>
</web-app>

servlet SecSelfServApplication 的代码：

/**
 * Application
 */
package com.sap.coe.securityselfservice.rest;

import java.util.HashSet;
import java.util.Set;

import javax.ws.rs.core.Application;

/**
 * JAX-RS Application
 */
public class SecSelfServApplication extends Application {
    @Override
    public Set<Class<?>> getClasses() {
        Set<Class<?>> s = new HashSet<Class<?>>();
        s.add(InitService.class);
        s.add(MailTemplateService.class);
        s.add(PingService.class);
        s.add(ProjectRequestService.class);
        s.add(ProjectService.class);
        s.add(QuestionService.class);
        s.add(ResourceService.class);
        s.add(UserService.class);
        s.add(UsrVariantService.class);
        return s;
    }
}

对于 PingService.java：

package com.sap.coe.securityselfservice.rest;

import javax.servlet.ServletException;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

//import com.qmino.miredot.annotations.ReturnType;
import com.sap.coe.securityselfservice.rest.bean.WebServiceException;
import com.wordnik.swagger.annotations.ApiOperation;

/**
 * Rest Service - Ping
 * 
 * @author C5178621
 * @servicetag Ping
 */
@Path("/ping")
public class PingService {

  /**
   * Ping the rest service application and check if it is alive
   * 
   * @summary Test Application Alive
   * @return "pong" if application is up and running
   * @throws WebServiceException
   */
  @GET
  @Path("/")
  @Produces(MediaType.TEXT_PLAIN)
  @ApiOperation(value = "ping", notes = "ping", response = String.class)
  public Response ping() throws ServletException {
    return Response.ok().entity("pong").build();
  }
}

还有 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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <!--<?xml version="1.0" encoding="UTF-8"?>-->
    <parent>
        <groupId>com.sap.it.mobile</groupId>
        <artifactId>hcp-parent-pom</artifactId>
        <version>2.3.3</version>
    </parent>

    <groupId>com.sap.coe</groupId>
    <artifactId>SecSelfService</artifactId>
    <version>1.1.14-SNAPSHOT</version>
    <packaging>war</packaging>

    <licenses>
        <license>
            <name>SAP DEVELOPER LICENSE AGREEMENT</name>
            <url>https://tools.hana.ondemand.com/developer-license-3.1.txt</url>
        </license>
    </licenses>

    <scm>
        <url>git@github.example.corp:SRCOffice/SelfService_Backend.git</url>
            <connection>scm:git:git@github.example.corp:SRCOffice/SelfService_Backend.git</connection>
            <developerConnection>scm:git:git@github.example.corp:SRCOffice/SelfService_Backend.git</developerConnection>
        <tag>HEAD</tag>
    </scm>

    <properties>
        <java-version>1.7</java-version>
        <war.name>secselfservice</war.name>
        <sap.cloud.application>secselfservice</sap.cloud.application>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <!-- Project plugin versions -->
        <version.eclipse-plugin>2.6</version.eclipse-plugin>
        <version.shade-plugin>2.2</version.shade-plugin>
    </properties>

    <!--Use Java EE6-->
    <profiles>
        <profile>
            <id>neo-javaee6-wp</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
        </profile>
    </profiles>



    <dependencies>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>1.3.2</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>eclipselink</artifactId>
            <version>2.6.1</version>
        </dependency>
        <dependency>
            <groupId>com.wordnik</groupId>
            <artifactId>swagger-jaxrs_2.10</artifactId>
            <version>1.3.13</version>
            <exclusions>
                <exclusion>
                    <groupId>javax.ws.rs</groupId>
                    <artifactId>jsr311-api</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>18.0</version>
        </dependency>
        <dependency>
            <groupId>com.sap.it.mobile</groupId>
            <artifactId>hcp-java-util</artifactId>
            <version>3.1.0</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.5.1</version>
                <configuration>
                    <source>${java-version}</source>
                    <target>${java-version}</target>
                    <showDeprecation>true</showDeprecation>
                    <showWarnings>true</showWarnings>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                    <warName>secselfservice</warName>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.5</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-eclipse-plugin</artifactId>
                <version>${version.eclipse-plugin}</version>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>${version.shade-plugin}</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>

        <pluginManagement>
            <plugins>
            </plugins>
        </pluginManagement>
    </build>
</project>

任何人都知道如何解决这个问题？

谢谢

4

2 回答 2

0

我遇到了同样的错误（我的问答你可以在这里找到）并在这个SAP 讨论中找到了解决方案。

对我来说，一旦我手动添加球衣并从 web.xml 中删除标签，错误就不再发生<servlet-class>。最后，对于我的简单休息服务，web.xml 中的配置根本不需要（参见这个答案） .

所以这似乎是一个 Hana 云平台特定的问题。

于 2017-09-06T11:48:49.807 回答
0

嗯，显然类加载问题没有来自eclipse（osgi）框架的非常有用的提示......我不时看到应用程序失败，因为它们带来了自己的库版本，这些库与已经提供的一些库发生冲突平台。

考虑一下这个HCP maven 博客：他们在那里引用了一个工件，最重要的是，他们<scope>provided</scope>用来告诉 maven 不要将库包含到应用程序的 war 文件中（因为平台已经提供了一些 jar）。

我最好的选择是至少 org.eclipse.persistence 已经由平台提供（也许还有其他你想要的库）。

于 2017-02-07T19:37:38.563 回答