Discovery starting. *** RUN ABORTED *** java.lang.RuntimeException: Unable to load a Suite class that was discovered in the runpath: org.apache.spark.util.MutableURLClassLoaderSuite at org.scalatest.tools.DiscoverySuite$.getSuiteInstance(DiscoverySui…

异常截图: 解决方法: export MAVEN_OPTS="-Xmx2g -XX:MaxPermSize=512M -XX:ReservedCodeCacheSize=512m"…

最近迁移集群,在hadoop-2.8.4 的yarn上跑 spark 程序 报了以下错误 java.lang.OutOfMemoryError: unable to create new native thread 开始以为yarn 资源争抢问题,后来发现是系统限制用户进程数问题. # 使用命令查看当前用户最大进程数 ulimit -u # centos7 在这里修改 ullimit -u 的值 sudo vi /etc/security/limits.d/20-nproc.conf * sof…

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.118 sec <<< FAILURE! - in com.example.demo.RosApplicationTestsinitializationError(com.example.demo.RosApplicationTests)  Time elapsed: 0.01 sec  <<< ERROR!java.lang.Illega…

把myeclipse10 按照目录完整拷贝到了另外一台电脑, 另外的目录 原安装目录 D\:\soft\i\myeclipse10 新安装目录 E\:\soft\myeclipse10 双击启动失败, 查看日志 could not find .. javax.transaction_1.1.1.v201105210645.jar ... java.lang.IllegalStateException: Unable to acquire application service. Ensure t…

Clean了一下Project,然后就报了如下错误 !ENTRY com.release.nattable.well_analysis 2 0 2015-11-20 17:04:44.609 !MESSAGE Could not resolve module: com.release.nattable.well_analysis [72] Unresolved requirement: Import-Package: org.eclipse.nebula.widgets.nattable.dat…

2 errors java.lang.RuntimeException: com.google.inject.CreationException: Unable to create injector, see the following errors: 1) No implementation for org.apache.maven.model.path.PathTranslator was bound. while locating org.apache.maven.model.path.P…

主要原因是maven项目里面的jar包吗,没有导入到项目中 maven web 项目中启动报错 Java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet 错误描述: Java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet 问题解析: Maven项目中所有依赖(jdk/jar/c…

IDEA版本:14.1 maven版本:apache-maven-3.3.9-bin IDEA的maven项目,在pom文件执行Maven--Reimport,引入jar包依赖,报错java.lang.RuntimeException: Class "org.apache.maven.cli.MavenCli$CliRequest" not found 解决办法: 更换低版本maven,apache-maven-3.1.1.即可解决问题…

spark提示Caused by: java.lang.ClassCastException: scala.collection.mutable.WrappedArray$ofRef cannot be cast to [Lscala.collection.immutable.Map; 起因 编写了一个处理两列是否相等的UDF,这两列的数据结构是一样的,但是结构比较复杂,如下: |-- list: array (nullable = true) | |-- element: map (conta…