活动介绍

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repository\org\apache\hadoop\hadoop-distcp\2.8.5\hadoop-distcp-2.8.5.jar;D:\maven\local repository\org\apache\hbase\hbase-replication\2.2.4\hbase-replication-2.2.4.jar;D:\maven\local repository\org\apache\hadoop\hadoop-hdfs\2.8.5\hadoop-hdfs-2.8.5.jar;D:\maven\local repository\commons-daemon\commons-daemon\1.0.13\commons-daemon-1.0.13.jar;D:\maven\local repository\io\netty\netty-all\4.0.23.Final\netty-all-4.0.23.Final.jar;D:\maven\local repository\org\fusesource\leveldbjni\leveldbjni-all\1.8\leveldbjni-all-1.8.jar;D:\maven\local repository\org\apache\hadoop\hadoop-yarn-client\2.8.1\hadoop-yarn-client-2.8.1.jar" org.example.HBaseMapreduce.BrandAmount 2025-06-06 23:34:00,430 INFO Configuration.deprecation: io.bytes.per.checksum is deprecated. Instead, use dfs.bytes-per-checksum 2025-06-06 23:34:00,570 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032 2025-06-06 23:34:00,809 INFO Configuration.deprecation: io.bytes.per.checksum is deprecated. Instead, use dfs.bytes-per-checksum 2025-06-06 23:34:01,793 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:host.name=LAPTOP-DET3CHHR 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_144 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.home=C:\Program Files\Java\jdk1.8.0_144\jre 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.class.path=C:\Program Files\Java\jdk1.8.0_144\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_144\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_144\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_144\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_144\jre\lib\ext\dnsns.jar;C:\Program 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repository\org\apache\hadoop\hadoop-yarn-client\2.8.1\hadoop-yarn-client-2.8.1.jar;D:\Idea 2024\IntelliJ IDEA 2024.3.1.1\lib\idea_rt.jar 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.library.path=C:\Program Files\Java\jdk1.8.0_144\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Common Files\Oracle\Java\javapath;D:\soft\bin\;C:\ProgramData\Oracle\Java\javapath;C:\Program Files\Java\jdk1.8.0_144\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;D:\mingw64\bin;D:\anconda\Library\bin;D:\anconda;D:\anconda\Scripts;C:\Program Files\Microsoft VS Code\bin;".;C:\Program Files\Java\jdk1.8.0_144\lib;C:\Program Files\Java\jdk1.8.0_144\lib\tools.jar";D:\node\;D:\node;D:\node\node_cache;D:\node\node_global;C:\ProgramData\chocolatey\bin;D:\Git\Git\cmd;C:\C:\apache-tomcat-10.1.28\bin;C:\C:\apache-tomcat-10.1.28\lib\jsp-api.jar;C:\C:\apache-tomcat-10.1.28\lib\servlet-api.jar;%JAVA-HOME%jre\bin;D:\maven\apache-maven-3.8.5\bin;C:\python\python 3.12.2\Scripts\;C:\python\python 3.12.2\;C:\Program Files\MySQL\MySQL Shell 8.0\bin\;D:\python\Scripts\;D:\python\;C:\Users\缃楁闆╘AppData\Local\Microsoft\WindowsApps;D:\Microsoft VS Code\bin;C:\Program Files\Java\jdk1.8.0_144\bin;D:\Idea 2024\IntelliJ IDEA 2024.3.1.1\bin;;C:\Users\缃楁闆╘AppData\Roaming\npm;D:\Hadoop\hadoop\hadoop-3.3.0\bin;D:\Hadoop\hadoop\hadoop-3.3.0\sbin;D:\Hadoop\hbase-2.6.2\bin;;. 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=C:\Users\236A~1\AppData\Local\Temp\ 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA> 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 10 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:os.version=10.0 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:user.name=罗欣雨 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:user.home=C:\Users\罗欣雨 2025-06-06 23:34:01,794 INFO zookeeper.ZooKeeper: Client environment:user.dir=D:\code\Hbase_hadoop\HomeWork1 2025-06-06 23:34:01,796 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=luo:2181 sessionTimeout=90000 watcher=org.apache.hadoop.hbase.zookeeper.ReadOnlyZKClient$$Lambda$14/762080652@4f33c470 2025-06-06 23:34:01,825 INFO zookeeper.ClientCnxn: Opening socket connection to server luo/192.168.10.129:2181. Will not attempt to authenticate using SASL (unknown error) 2025-06-06 23:34:01,828 INFO zookeeper.ClientCnxn: Socket connection established to luo/192.168.10.129:2181, initiating session 2025-06-06 23:34:01,839 INFO zookeeper.ClientCnxn: Session establishment complete on server luo/192.168.10.129:2181, sessionid = 0x1974500ed1b0030, negotiated timeout = 90000 Exception in thread "main" java.io.IOException: The ownership on the staging directory /tmp/hadoop-yarn/staging/罗欣雨/.staging is not as expected. It is owned by ???. The directory must be owned by the submitter 罗欣雨 or by 罗欣雨 at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:120) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:146) at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1341) at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1338) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1844) at org.apache.hadoop.mapreduce.Job.submit(Job.java:1338) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1359) at org.example.HBaseMapreduce.BrandAmount.main(BrandAmount.java:67) Process finished with exit code 1

时间: 2025-08-04 07:02:56 浏览: 12
<think>嗯,用户遇到了HadoopMapReduce作业提交时的staging目录所有权问题,这个错误在Hadoop集群中确实很常见。用户提到了具体报错信息"Theownershiponthestagingdirectoryisnotasexpected",看来是权限配置导致的。用户可能刚接触Hadoop,对权限管理不太熟悉。从历史记录看,用户之前参考过目录权限问题和Windows环境配置的引用,但这次问题核心在于Linux环境下的用户权限映射。这个问题的本质其实是Hadoop对用户身份验证的严格检查。需要重点关注两个方面:首先是实际目录的所有权,其次是Hadoop配置中的用户映射逻辑。解决方法要兼顾命令行操作和配置文件修改,最好分步骤说明,避免用户操作失误。值得注意的是用户特意强调了"staging目录",这个临时目录在作业提交时特别敏感。解决方案里应该包含两个验证层次:基础权限设置和深度调试方法。考虑到用户可能在其他环节也会遇到类似问题,可以补充Kerberos相关的说明作为扩展知识点。用户应该需要具体可执行的命令,比如chown和hdfsdfs-ls这些关键操作示例。另外配置文件的位置也要说清楚,特别是core-site.xml和yarn-site.xml这种容易混淆的文件。安全问题也要提醒,毕竟chmod777这种操作在正式环境很危险。最后准备的问题要覆盖用户可能衍生的疑问,比如WebUI监控和Kerberos场景的处理方式。</think> Hadoop MapReduce作业提交时出现`staging目录所有权问题`的解决核心在于**确保提交作业的用户对HDFS上的staging目录具有明确的读写权限且符合Hadoop的用户映射规则**。以下是系统性的解决方法: --- ### **1. 验证目录所有权与权限** ```bash # 查看staging目录权限 (默认路径: /tmp/hadoop-yarn/staging) hdfs dfs -ls /tmp/hadoop-yarn/staging # 正确示例输出: drwx------ 3 yarn hadoop 4096 2023-01-01 12:00 /tmp/hadoop-yarn/staging ``` - **要求**:Staging目录应由`yarn`用户(或其他配置的提交用户)所有,权限为`700`或`750`。 - **修复命令**: ```bash hdfs dfs -chmod 750 /tmp/hadoop-yarn/staging # 修改权限 hdfs dfs -chown yarn:supergroup /tmp/hadoop-yarn/staging # 修改所有者 ``` --- ### **2. 检查用户代理映射** Hadoop通过`hadoop.proxyuser`配置实现用户代理,需在`core-site.xml`中明确授权: ```xml <!-- 文件: $HADOOP_HOME/etc/hadoop/core-site.xml --> <property> <name>hadoop.proxyuser.yarn.hosts</name> <value>*</value> <!-- 允许来自任何主机的yarn代理 --> </property> <property> <name>hadoop.proxyuser.yarn.groups</name> <value>*</value> <!-- 允许代理任何用户组 --> </property> ``` --- ### **3. 验证客户端用户身份** - **提交作业的用户**(如`datauser`)必须与Hadoop集群**用户白名单**匹配: ```bash # 在ResourceManager节点查看允许的用户 cat /etc/hadoop/conf/yarn-remote-apps.allowed-users ``` 若文件不存在或未包含`datauser`,需添加该用户并重启YARN: ```bash echo "datauser" >> /etc/hadoop/conf/yarn-remote-apps.allowed-users systemctl restart yarn-resourcemanager ``` --- ### **4. 修复跨平台问题(Windows特有)** Windows客户端需设置`HADOOP_HOME`环境变量并配置权限模拟: ```java // 在驱动代码中设置: System.setProperty("HADOOP_USER_NAME", "yarn"); System.setProperty("hadoop.home.dir", "D:/hadoop"); // 指向包含winutils.exe的目录 ``` --- ### **5. 调试步骤** 1. **模拟提交环境**: ```bash sudo -u yarn hdfs dfs -mkdir /test_staging sudo -u yarn hdfs dfs -chmod 750 /test_staging ``` 2. **检查YARN日志**: ```bash tail -f /var/log/hadoop-yarn/yarn/yarn-yarn-resourcemanager-*.log ``` 搜索`staging directory ownership`错误确认具体用户。 --- ### **根本原因分析** 当用户`datauser`提交作业时: 1. YARN以`yarn`身份创建staging目录: `/tmp/hadoop-yarn/staging/datauser/.staging` 2. Hadoop验证`datauser`是否拥有目录的**有效代理权限**(通过`hadoop.proxyuser.yarn.groups`) 3. 目录所有权或代理配置错误将触发权限异常。 > **关键点**:Staging目录的实际所有者必须是`yarn`,但代理机制需确保`datauser`有操作权[^1][^2]。 --- ### **相关问题** 1. Hadoop开启Kerberos后如何解决staging目录权限问题? 2. 如何通过YARN Web UI监控作业提交失败的根本原因? 3. Hadoop中`yarn.nodemanager.remote-app-log-dir`权限配置与staging目录有何关联? 4. 为什么本地模式运行MapReduce作业不会触发此错误?
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D:\jdk\jdk1.8.0_181\bin\java.exe "-javaagent:D:\ideaIU\IntelliJ IDEA 2023.3.3\lib\idea_rt.jar=52598:D:\ideaIU\IntelliJ IDEA 2023.3.3\bin" -Dfile.encoding=UTF-8 -classpath D:\jdk\jdk1.8.0_181\jre\lib\charsets.jar;D:\jdk\jdk1.8.0_181\jre\lib\deploy.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\access-bridge-64.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\cldrdata.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\dnsns.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\jaccess.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\jfxrt.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\localedata.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\nashorn.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\sunec.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\sunjce_provider.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\sunmscapi.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\sunpkcs11.jar;D:\jdk\jdk1.8.0_181\jre\lib\ext\zipfs.jar;D:\jdk\jdk1.8.0_181\jre\lib\javaws.jar;D:\jdk\jdk1.8.0_181\jre\lib\jce.jar;D:\jdk\jdk1.8.0_181\jre\lib\jfr.jar;D:\jdk\jdk1.8.0_181\jre\lib\jfxswt.jar;D:\jdk\jdk1.8.0_181\jre\lib\jsse.jar;D:\jdk\jdk1.8.0_181\jre\lib\management-agent.jar;D:\jdk\jdk1.8.0_181\jre\lib\plugin.jar;D:\jdk\jdk1.8.0_181\jre\lib\resources.jar;D:\jdk\jdk1.8.0_181\jre\lib\rt.jar;D:\test\firstproject\spark_chapter02\target\classes;C:\Users\xsw\.m2\repository\org\scala-lang\scala-library\2.11.8\scala-library-2.11.8.jar;C:\Users\xsw\.m2\repository\org\apache\spark\spark-core_2.11\2.3.2\spark-core_2.11-2.3.2.jar;C:\Users\xsw\.m2\repository\org\apache\avro\avro\1.7.7\avro-1.7.7.jar;C:\Users\xsw\.m2\repository\org\codehaus\jackson\jackson-core-asl\1.9.13\jackson-core-asl-1.9.13.jar;C:\Users\xsw\.m2\repository\org\codehaus\jackson\jackson-mapper-asl\1.9.13\jackson-mapper-asl-1.9.13.jar;C:\Users\xsw\.m2\repository\com\thoughtworks\paranamer\paranamer\2.3\paranamer-2.3.jar;C:\Users\xsw\.m2\repository\org\apache\commons\commons-compress\1.4.1\commons-compress-1.4.1.jar;C:\Users\xsw\.m2\repository\org\tukaani\xz\1.0\xz-1.0.jar;C:\Users\xsw\.m2\repository\org\apache\avro\avro-mapred\1.7.7\avro-mapred-1.7.7-hadoop2.jar;C:\Users

"C:\Program Files\Java\jdk1.8.0_181\bin\java.exe" "-javaagent:D:\IntelliJ IDEA 2019.2.3\lib\idea_rt.jar=62476:D:\IntelliJ IDEA 2019.2.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_181\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\rt.jar" day 错误: 找不到或无法加载主类 day Process finished with exit code 1

"C:\Program Files\Java\jdk1.8.0_161\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2020.1\lib\idea_rt.jar=57996:C:\Program Files\JetBrains\IntelliJ IDEA 2020.1\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\JetBrains\IntelliJ IDEA 2020.1\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2020.1\plugins\junit\lib\junit5-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2020.1\plugins\junit\lib\junit-rt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar;E:\SSM\mybatis_01\target\test-classes;E:\SSM\mybatis_01\target\classes;C:\Users\5-5\.m2\repository\org\mybatis\mybatis\3.5.2\mybatis-3.5.2.jar;C:\Users\5-5\.m2\repository\mysql\mysql-connector-

"C:\Program Files\Java\jdk1.8.0_162\bin\java.exe" "-javaagent:D:\SofeWare\IDEA\IntelliJ IDEA 2024.1.7\lib\idea_rt.jar=55543:D:\SofeWare\IDEA\IntelliJ IDEA 2024.1.7\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_162\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\rt.jar;E:\code\idea\shangji\untitled\out\production\untitled;C:\Users\zwk\AppData\Roaming\JetBrains\IntelliJIdea2024.1\jdbc-drivers" InformationManagement java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at InformationManagement.<init>(InformationManagement.java:191) at InformationManagement.main(InformationManagement.java:290)

"C:\Program Files\Java\jdk1.8.0_171\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:C:\Program Files\JetBrainss\IntelliJ IDEA 2025.1.2\lib\idea_rt.jar=59768" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_171\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\rt.jar;C:\实训\projects\projects\Ruoyi-Cloud-3.6.4\ruoyi-modules\ruoyi-system\target\classes;C:\实训\repository\com\alibaba\cloud\spring-cloud-starter-alibaba-nacos-discovery\2021.0.5.0\spring-cloud-starter-alibaba-nacos-discovery-2021.0.5.0.jar;C:\实训\repository\com\al

显示了如下,该怎么改进,写出完整代码:"C:\Program Files\Java\jdk1.8.0_202\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2021.2.3\lib\idea_rt.jar=61182:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2021.2.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_202\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\rt.jar;W:\dsb\out\production\dsb" FileCopy java.io.FileNotFoundException: sample.txt (系统找不到指定的文件。) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.<init>(FileInputStream.java:138) at java.io.FileInputStream.<init>(FileInputStream.java:93) at FileCopy.main(FileCopy.java:6)

"C:\Program Files\Java\jdk1.8.0_162\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:D:\sjz\IntelliJ IDEA 2022.3.2\lib\idea_rt.jar=58771:D:\sjz\IntelliJ IDEA 2022.3.2\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_162\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_162\jre\lib\rt.jar;D:\实训\code\gec-auth\gec-service-system\target\classes;D:\实训\code\gec-auth\gec-common\service-util1\target\classes;D:\实训\code\gec-auth\gec-common\common-util1\target\classes;D:\实训\code\gec-auth\gec-model\target\classes;D:\apache-maven\MyRepository\io\jsonwebtoken\jjwt\0.7.0\jjwt-0.7.0.jar;D:\a 帮我解决这个问题

“C:\Program Files\Java\jdk1.8.0_131\bin\java.exe” -javaagent:C:\app\IntelliJIDEA2023.1\lib\idea_rt.jar=51992:C:\app\IntelliJIDEA2023.1\bin -Dfile.encoding=UTF-8 -classpath “C:\Program Files\Java\jdk1.8.0_131\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_131\jre\lib\rt.jar;C:\workspace\springboot-day01\logininterface\out\production\logininterface;C:\workspace\springboot-day01\logininterface\web\WEB-INF\lib\mybatis-3.5.7.jar;C:\workspace\springboot-day01\logininterface\web\WEB-INF\lib\mysql-connector-j-9.2.0.jar” com.xxxx.text.Tes Exception in thread “main” org.apache.ibatis.exceptions.PersistenceException: Error querying database. Cause: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed The error may exist in com/xxxx/mapper/UserMapper.xml The error may involve com.xxxx.mapper.UserMapper.queryUserByName The error occurred while executing a query Cause: java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed

"C:\Program Files\Java\jdk1.8.0_211\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.1.1\lib\idea_rt.jar=59290:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.1.1\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_211\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_211\jre\lib\rt.jar;C:\Users\Q06412\IdeaProject\welinkfuwenben\target\classes;C:\Users\Q06412\Downloads\WeLink-SDK-Java\WeLink-SDK-Java-jar\welink-sdk-java-2.2.1.jar;C:\Users\Q06412\Downloads\gson-2.10.1.jar" org.example.Main2 Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory at com.huawei.welink.api.clouddrive.upload.CloudDriveFileUploader.<clinit>(CloudDriveFileUploader.java:29) at com.huawei.welink.api.welinkim.imservice.IMFileSender.uploadAndSend(IMFileSender.java:109) at com.huawei.welink.common.DefaultWeLinkClient.uploadAndSend(DefaultWeLinkClient.java:175) at org.example.Main2.main(Main2.java:32) Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 4 more Process finished with exit code 1

"C:\Program Files\Java\jdk1.8.0_202\bin\java.exe" "-javaagent:D:\IDEA\IntelliJ IDEA Community Edition 2024.2.3\lib\idea_rt.jar=60377:D:\IDEA\IntelliJ IDEA Community Edition 2024.2.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_202\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_202\jre\lib\rt.jar;E:\Repository\venus2025_java_80392925\target\test-classes;E:\Repository\venus2025_java_80392925\target\classes;E:\Repository\com\google\guava\guava\20.0\guava-20.0.jar;E:\Repository\org\projectlombok\lombok\1.18.8\lombok-1.18.8.jar;E:\Repository\org\slf4j\slf4j-api\1.7.30\slf4j-api-1.7.30.jar;E:\Repository\org\slf4j\slf4j-simple\1.7.25\slf4j-simple-1.7.25.jar;E:\Repository\junit\junit\4.12\junit-4.12.jar;E:\Repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;E:\Repository\org\mockito\mockito-core\4.6.1\mockito-core-4.6.1.jar;E:\Repository\net\bytebuddy\byte-buddy\1.12.10\byte-buddy-1.12.10.jar;E:\Repository\net\bytebuddy\byte-buddy-agent\1.12.10\byte-buddy-agent-1.12.10.jar;E:\Repository\org\objenesis\objenesis\3.2\objenesis-3.2.jar;E:\Repository\org\assertj\assertj-core\3.14.0\assertj-core-3.14.0.jar;E:\Repository\org\apache\commons\commons-lang3\3.8.1\commons-lang3-3.8.1.jar" org.cmb.basic.homework.BasicHomeworkTest [main] ERROR org.cmb.homework.ShopClient - 抢购活动运行报错! org.cmb.homework.exceptions.NoGoodsException: 无效用户ID at org.cmb.homework.ShopClient.processPurchase(ShopClient.java:136) at org.cmb.homework.ShopClient.snapUpActive(ShopClient.java:92) at org.cmb.basic.homework.BasicHomeworkTest.main(BasicHomeworkTest.java:60) [main] INFO org.cmb.basic.homework.BasicHomeworkTest - === 抢购活动统计结果 === Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.rangeCheck(ArrayList.java:657) at java.util.ArrayList.get(ArrayList.java:433) at org.cmb.basic.homework.BasicHomeworkTest.main(BasicHomeworkTest.java:62) 进程已结束,退出代码为 1

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