以下代码适用于 OSX
var hadoopInputFile = org.apache.parquet.hadoop.util.HadoopInputFile.fromPath(parquetPath, new Configuration())
但在 Linux 上却没有：
failure to login: javax.security.auth.login.LoginException: java.lang.NullPointerException: invalid null input: name
at jdk.security.auth/com.sun.security.auth.UnixPrincipal.<init>(UnixPrincipal.java:67)
at jdk.security.auth/com.sun.security.auth.module.UnixLoginModule.login(UnixLoginModule.java:134)
at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:726)
at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:691)
at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
at java.base/javax.security.auth.login.LoginContext.login(LoginContext.java:574)
at org.apache.hadoop.security.UserGroupInformation$HadoopLoginContext.login(UserGroupInformation.java:2065)
at org.apache.hadoop.security.UserGroupInformation.doSubjectLogin(UserGroupInformation.java:1975)
at org.apache.hadoop.security.UserGroupInformation.createLoginUser(UserGroupInformation.java:719)
at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:669)
at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:579)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3746)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3736)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3520)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:540)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:288)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:524)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:365)
at org.apache.parquet.hadoop.util.HadoopInputFile.fromPath(HadoopInputFile.java:38)
...
我找到new com.sun.security.auth.module.UnixSystem().getUsername()回报null但不应该
有什么想法如何修复或解决它吗？
UPD
由于这是发生在 docker 容器内
Dockerfile：
FROM maven:3.8.5-openjdk-17 AS tests
ENV WORKDIR="/application"
WORKDIR ${WORKDIR}
COPY . $WORKDIR/
运行命令：
docker run
--user 0:1001
--volume $(command -v docker):/usr/bin/docker
--volume /var/run/docker.sock:/var/run/docker.sock
--volume $(pwd):/path/to/project/application
app_tag bash -c
"umask 002;
mvn --settings ./.m2-settings.xml package"
UPD 2
我找到了萨德id gives uid=1001 gid=1001 groups=1001
and whoami - whoami: cannot find name for user ID 1001
现在的解决方法是添加到 Dockerfile
RUN groupadd -g 1001 sysadmin
RUN useradd appadmin -u 1001 -g 1001 -m -s /bin/bash
添加到 Dockerfile 解决了问题
RUN groupadd -g 1001 sysadmin
RUN useradd appadmin -u 1001 -g 1001 -m -s /bin/bash
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