以下是我认为的相关错误消息:
Caused by: java.io.IOException: Cannot run program "/usr/bin/git" (in directory "/var/lib/hudson/jobs/Goals/workspace"): java.io.IOException: error=12, Cannot allocate memory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:474)
at hudson.Proc$LocalProc.&l
我的Java应用程序在JIT编译期间工作了几天之后就失败了。可能是本机内存碎片化,但它只需要8Kb .我有700多条线。2GB堆( jvm失败时只使用1Gb )请帮助解决这个问题。
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 8192 bytes for committing reserved memory.
# Possible reasons:
# The system is o
我的datastax坞映像有问题。我试图在ddsefs上复制一个文件,但是我有以下错误:
dsefs dsefs://127.0.1.1:5598/ > cp file:orifile.text destFile.text
Server error: java.io.IOException: There are no available DSEFS locations to write data to. DSEFS nodes are either unavailable or low on free space. Check node health and connectivity,
showing error response
{
"code" : 403,
"errors" : [ {
"domain" : "plusDomains",
"message" : "The operation is not allowed because the activity is not domain restricted.",
"reason" : "notDomainRestric
所以今天早上我注意到我的网站被关闭了,在我的服务器上看到网络服务器已经停止了。
当我试图再次启动它时,我会得到这个错误。
start -Dhttp.port=80 -Dapplication.secret=**********
[info] Wrote /home/Jakob/Apps/Botlanegg/target/scala-2.11/botlanegg_2.11-1.0.pom
(Starting server. Type Ctrl+D to exit logs, the server will remain in background)
Java HotSpot(TM) 64-
在运行我的应用程序大约5-6小时之后,我一直在catalina.out中得到以下错误:
There is insufficient memory for the Java Runtime Environment to continue.
Native memory allocation (mmap) failed to map 503226 bytes for committing reserved memory.
An error report file with more information is saved as:
/tmp/hs_err_pid1.log
我使用运行在AWSL
我正在写一些需要在内存中保存大量数据的“大数据”软件。我用c++写了一个原型,它工作得很好。但是,实际的最终用户通常使用Java编写代码,因此他们要求我也编写一个java原型。
我已经在后台阅读了java中的内存占用和一些初步测试。例如,假设我有这样的对象
public class DataPoint{
int cents, time, product_id, store_id;
public DataPoint(int cents, int time, int product_id, int store_id){
this.cents = cents;
t
我找不到一个Q/A来回答我的问题,所以我想我会把它发出来,看看会有什么结果。
就Java包的命名约定而言,我知道它应该是反向域名:com.whatever.stuff和我得到关于没有混合大小写、连字符、关键字等的规则。
我还阅读了Java语言规范的7.7节(唯一的包名)。据我所知,Java的规则是使用反向域来确保唯一性.如果你没有,去拿一个:
You form a unique package name by first having (or belonging to an organization that has) an Internet domainname, such as sun.c