我在 Jenkins 中收到此读取超时错误，有时它会成功，有时会出现此错误。
[INFO]
[INFO] --- sonar-maven-plugin:2.4:sonar (default-cli) @ bcd ---
[INFO] SonarQube version: 5.0
INFO: Default locale: "en_US", source code encoding: "UTF-8" (analysis is platform dependent)
INFO: Work directory: /var/lib/jenkins/jobs/Nightly_build_Project_1.3/workspace/target/sonar
INFO: SonarQube Server 5.0
[INFO] [02:36:52.624] Load global referentials...
[INFO] [02:37:12.706] Load global referentials done: 20084 ms
[ERROR] Unable to request: /batch/global
由于此错误，构建经常失败。
[INFO] Pd client project .................................. SKIPPED
[INFO] ab project ........................ SKIPPED
[INFO] bcd ...................................... FAILURE [01:27 min]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:32 min
[INFO] Finished at: 2015-04-09T02:37:12+02:00
[INFO] Final Memory: 37M/89M
[INFO] ------------------------------------------------------------------ ------
[ERROR] Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.4:sonar (default-cli) on project bcd: Unable to request: /batch/global: Read timed out -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.4:sonar (default-cli) on project bcd: Unable to request: /batch/global
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
谁能帮我解决这个问题？