浏览器显示错误
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
com.atgu.fruit.dao.impl.FruitDaoImpl.addFruit(FruitDaoImpl.java:29)
com.atgu.servlets.AddServlet.doPost(AddServlet.java:34)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.50 logs.
Apache Tomcat/8.0.50
idea控制台
E:\Tomcat\apache-tomcat-8.0.50\bin\catalina.bat run
[2022-09-22 01:13:22,231] Artifact Web:war exploded: Waiting for server connection to start artifact deployment…
Using CATALINA_BASE: "C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef"
Using CATALINA_HOME: "E:\Tomcat\apache-tomcat-8.0.50"
Using CATALINA_TMPDIR: "E:\Tomcat\apache-tomcat-8.0.50\temp"
Using JRE_HOME: "D:\java_jdk"
Using CLASSPATH: "E:\Tomcat\apache-tomcat-8.0.50\bin\bootstrap.jar;E:\Tomcat\apache-tomcat-8.0.50\bin\tomcat-juli.jar"
Connected to the target VM, address: '127.0.0.1:60394', transport: 'socket'
22-Sep-2022 13:13:23.364 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.50
22-Sep-2022 13:13:23.366 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Feb 7 2018 20:06:05 UTC
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.0.50.0
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 10
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 10.0
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: D:\java_jdk\jre
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_131-b11
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef
22-Sep-2022 13:13:23.367 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: E:\Tomcat\apache-tomcat-8.0.50
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef\conf\logging.properties
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:60394,suspend=y,server=n
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -javaagent:C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\captureAgent\debugger-agent.jar
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote=
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.password.file=C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef\jmxremote.password
22-Sep-2022 13:13:23.368 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.access.file=C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef\jmxremote.access
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=E:\Tomcat\apache-tomcat-8.0.50
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=E:\Tomcat\apache-tomcat-8.0.50\temp
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library 1.2.16 using APR version 1.6.3.
22-Sep-2022 13:13:23.369 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
22-Sep-2022 13:13:24.399 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized (OpenSSL 1.0.2m 2 Nov 2017)
22-Sep-2022 13:13:24.525 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-apr-8888"]
22-Sep-2022 13:13:24.533 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-apr-8009"]
22-Sep-2022 13:13:24.535 信息 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1449 ms
22-Sep-2022 13:13:24.569 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
22-Sep-2022 13:13:24.569 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.50
22-Sep-2022 13:13:24.577 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-8888"]
22-Sep-2022 13:13:24.590 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-apr-8009"]
22-Sep-2022 13:13:24.593 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 57 ms
Connected to server
[2022-09-22 01:13:24,761] Artifact Web:war exploded: Artifact is being deployed, please wait…
22-Sep-2022 13:13:25.067 警告 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.descriptor.web.WebXml.setVersion Unknown version string [4.0]. Default version will be used.
22-Sep-2022 13:13:26.205 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
[2022-09-22 01:13:26,262] Artifact Web:war exploded: Artifact is deployed successfully
[2022-09-22 01:13:26,263] Artifact Web:war exploded: Deploy took 1,502 milliseconds
22-Sep-2022 13:13:34.589 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory E:\Tomcat\apache-tomcat-8.0.50\webapps\manager
22-Sep-2022 13:13:34.642 信息 [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
22-Sep-2022 13:13:34.649 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory E:\Tomcat\apache-tomcat-8.0.50\webapps\manager has finished in 59 ms
E:\Tomcat\apache-tomcat-8.0.50\bin\catalina.bat stop
Disconnected from the target VM, address: '127.0.0.1:60394', transport: 'socket'
Using CATALINA_BASE: "C:\Users\PC\AppData\Local\JetBrains\IntelliJIdea2021.3\tomcat\7e16d2a1-4b40-4685-82e0-6d1a296384ef"
Using CATALINA_HOME: "E:\Tomcat\apache-tomcat-8.0.50"
Using CATALINA_TMPDIR: "E:\Tomcat\apache-tomcat-8.0.50\temp"
Using JRE_HOME: "D:\java_jdk"
Using CLASSPATH: "E:\Tomcat\apache-tomcat-8.0.50\bin\bootstrap.jar;E:\Tomcat\apache-tomcat-8.0.50\bin\tomcat-juli.jar"
22-Sep-2022 13:14:19.485 信息 [main] org.apache.catalina.core.StandardServer.await A valid shutdown command was received via the shutdown port. Stopping the Server instance.
22-Sep-2022 13:14:19.486 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-apr-8888"]
22-Sep-2022 13:14:19.554 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-apr-8009"]
22-Sep-2022 13:14:19.618 信息 [main] org.apache.catalina.core.StandardService.stopInternal Stopping service Catalina
22-Sep-2022 13:14:19.629 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-apr-8888"]
22-Sep-2022 13:14:19.747 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-apr-8009"]
22-Sep-2022 13:14:19.873 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-apr-8888"]
22-Sep-2022 13:14:19.873 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-apr-8009"]
Disconnected from server
