sonar-runner 一直出现EXECUTION FAILURE

Question

环境: ubuntu 12.04 mysql5.5 sonar 4.5.7 sonar-runner 2.4

在执行sonar-runner的时候一直报错:EXECUTION FAILURE
返回的信息是:
ERROR: Error during Sonar runner execution
org.sonar.runner.impl.RunnerException: Unable to execute Sonar

at org.sonar.runner.impl.BatchLauncher$1.delegateExecution(BatchLauncher.java:91)
at org.sonar.runner.impl.BatchLauncher$1.run(BatchLauncher.java:75)
at java.security.AccessController.doPrivileged(Native Method)
at org.sonar.runner.impl.BatchLauncher.doExecute(BatchLauncher.java:69)
at org.sonar.runner.impl.BatchLauncher.execute(BatchLauncher.java:50)
at org.sonar.runner.api.EmbeddedRunner.doExecute(EmbeddedRunner.java:102)
at org.sonar.runner.api.Runner.execute(Runner.java:100)
at org.sonar.runner.Main.executeTask(Main.java:70)
at org.sonar.runner.Main.execute(Main.java:59)
at org.sonar.runner.Main.main(Main.java:53)

Caused by: org.sonar.api.utils.SonarException: Unable to evict preview database: /batch_bootstrap/evict?project=76

at org.sonar.batch.phases.UpdateStatusJob.evictPreviewDB(UpdateStatusJob.java:82)
at org.sonar.batch.phases.UpdateStatusJob.execute(UpdateStatusJob.java:68)
at org.sonar.batch.phases.PhaseExecutor.updateStatusJob(PhaseExecutor.java:156)
at org.sonar.batch.phases.PhaseExecutor.execute(PhaseExecutor.java:130)
at org.sonar.batch.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:194)
at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:93)
at org.sonar.api.platform.ComponentContainer.execute(ComponentContainer.java:78)
at org.sonar.batch.scan.ProjectScanContainer.scan(ProjectScanContainer.java:233)
at org.sonar.batch.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:228)
at org.sonar.batch.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:221)
at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:93)
at org.sonar.api.platform.ComponentContainer.execute(ComponentContainer.java:78)
at org.sonar.batch.scan.ScanTask.scan(ScanTask.java:64)
at org.sonar.batch.scan.ScanTask.execute(ScanTask.java:51)
at org.sonar.batch.bootstrap.TaskContainer.doAfterStart(TaskContainer.java:125)
at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:93)
at org.sonar.api.platform.ComponentContainer.execute(ComponentContainer.java:78)
at org.sonar.batch.bootstrap.BootstrapContainer.executeTask(BootstrapContainer.java:173)
at org.sonar.batch.bootstrapper.Batch.executeTask(Batch.java:95)
at org.sonar.batch.bootstrapper.Batch.execute(Batch.java:67)
at org.sonar.runner.batch.IsolatedLauncher.execute(IsolatedLauncher.java:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.sonar.runner.impl.BatchLauncher$1.delegateExecution(BatchLauncher.java:87)
... 9 more

Caused by: java.lang.IllegalStateException: Unable to request: /batch_bootstrap/evict?project=76

at org.sonar.batch.bootstrap.ServerClient.request(ServerClient.java:93)
at org.sonar.batch.bootstrap.ServerClient.request(ServerClient.java:83)
at org.sonar.batch.bootstrap.ServerClient.request(ServerClient.java:79)
at org.sonar.batch.phases.UpdateStatusJob.evictPreviewDB(UpdateStatusJob.java:80)
... 34 more

Caused by: java.net.SocketTimeoutException: Read timed out

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1926)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1921)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1920)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1490)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
at org.sonar.api.utils.HttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(HttpDownloader.java:274)
at org.sonar.api.utils.HttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(HttpDownloader.java:235)
at org.sonar.batch.bootstrap.ServerClient.request(ServerClient.java:89)
... 37 more

Caused by: java.net.SocketTimeoutException: Read timed out

at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:704)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1569)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2982)
at java.net.URLConnection.getContentEncoding(URLConnection.java:523)
at org.sonar.api.utils.HttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(HttpDownloader.java:272)

还有出现一个问题,就是在执行sonar-runner之后报:java.lang.OutOfMemoryError: java heap space
这是内存溢出了,(是jvm内存溢出吗还是说服务器内存溢出),我该如何手动增加内存空间呢?

求大神指导,谢谢!