我正在使用Hadoop 2.9.1和Github的最新HiPi。它在带有OpenJDK 10的Ubuntu 18.04.3上运行。
安装成功，我尝试从HiPi运行示例。下载一组图像后，我尝试将其转换为HipiImageBundle。结果如下:
hadoop@master:~/workspace/hipi$ tools/hibImport.sh ~/workspace/SampleImages ~/workspace/SampleImages/sampleimages.hib
Input image directory: /home/hadoop/workspace/SampleImages
Input FS: local FS
Output HIB: /home/hadoop/workspace/SampleImages/sampleimages.hib
Overwrite HIB if it exists: false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/opt/hadoop/share/hadoop/common/lib/hadoop-auth-2.9.1.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread "main" java.lang.NoClassDefFoundError: org/hipi/imagebundle/HipiImageBundle
at org.hipi.tools.HibImport.main(HibImport.java:124)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.hadoop.util.RunJar.run(RunJar.java:239)
at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
Caused by: java.lang.ClassNotFoundException: org.hipi.imagebundle.HipiImageBundle
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
... 7 more
最佳答案
问题解决了。 Hipi中有一个错误。
在tools / build.gradle中，注释掉了错误的行:
hadoop@master:/opt/hipi/tools$ cat build.gradle
subprojects {
dependencies {
compile project(':core')
}
jar {
manifest {
# Uncomment this line
attributes("Class-Path" : configurations.runtime.collect { it.getAbsolutePath() }.join(' '));
# Comment this line out
// attributes("Class-Path" : configurations.runtime.collect { it.toURI() }.join(' '));
}
}
}
第二个问题是图像损坏的问题。加载它们时，您将获得NullPointerException。