在Eclipse中编译项目时,我得到以下错误:
致命错误编译:找不到tools.jar:
这是怎么造成的,我该如何解决？
我正在使用Jenkins Docker插件在Docker主机上动态启动从站。Jenkins主服务器在同一主机上运行。构建时，它会在docker-host上选择一个随机端口，并且无法连接到该端口。它启动docker容器。这是日志。不多说。如何调试问题？
INFO: Started container ID 54fe5780ca820a6e2b7cae40610cfc3229dbf889b0c66d6e34a39b74e13aaec7 for node slave-0000w16w841rc from image: jenkinsubuntu
Feb 28, 2019 9:35:54 PM com.nirima.jenkins.plugins.docker.utils.PortUtils$ConnectionCheckSSH execute
INFO: SSH port is open on 127.0.0.1:10007
[02/28/19 21:35:54] SSH Launch of slave-0000w16w841rc on 127.0.0.1 failed in 29 ms
Feb 28, 2019 9:36:03 PM hudson.slaves.NodeProvisioner$2 run
INFO: Image of jenkinsubuntu provisioning successfully completed. We have now 7 computer(s) `
我们尝试将我们的应用程序从OC4J迁移到Tomcat 7.0.该应用程序适用于OC4J,但在tomcat中,当运行10个用户的负载测试时,性能会受到影响.我们得到这些错误,应用程序不再响应.
---java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "ajp-bio-8009-exec-231" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "ajp-bio-8009-exec-236" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "ajp-bio-8009-exec-208" java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "Thread-33" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "ajp-bio-8009-exec-258" java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
我们试过了JAVA_OPTS="-Xms4096m -Xmx8192m.看起来我们仍然得到错误.请建议我们可以尝试的可能选项.. …
- hosts: ALL
gather_facts: true
remote_user:test
vars:
Env: "{{ env }}"
tasks:
- ec2_remote_facts:
region: us-east-1
aws_access_key: "{{ aws_access_key }}"
aws_secret_key: "{{ aws_secret_key }}"
filters:
"tag:Env": "{{ env }}"
register: instance_facts
- name: group_hosts
add_host: hostname={{ item }} groups=dev
with_items: "{{ instance_facts.instances|map(attribute="private_ip_address)|list }}"
- name: "loop over hosts for hostnames"
hostname:
name: {{ item }}
with_items: "{{ instance_facts.instances|map(attribute=' ')|list }}"
我在这本剧本中的意图是获取 tag_Name 并在实例中设置与主机名相同。我正在尝试不同的东西，但是在“循环主机主机”任务中使用标签属性时卡住了。我如何提及 Tag = "Name" 以将其保存为主机名，因为它是嵌套属性？
pm WARN EPACKAGEJSON partnerportal@0.0.0 No description
npm WARN EPACKAGEJSON partnerportal@0.0.0 No license field.
>> Local Npm module "grunt-autoprefixer" not found. Is it installed?
>> Local Npm module "grunt-concurrent" not found. Is it installed?
>> Local Npm module "grunt-contrib-concat" not found. Is it installed?
>> Local Npm module "grunt-contrib-connect" not found. Is it installed?
>> Local Npm module "grunt-contrib-htmlmin" not found. Is it installed?
>> Local Npm module "grunt-contrib-jshint" not found. Is it installed?
>> Local Npm module "grunt-contrib-uglify" not found. …我正在尝试使用一些变量运行我的剧本：
ansible-playbook playbook.yml -–extra-vars "env=dev app=appname
instance_type=t2.micro keypair=pem.pem security_group=sg-XXXX domain=domain type=microservice"
出于某种原因，它会引发以下错误：
ERROR! Unexpected Exception, this is probably a bug: 'ascii' codec can't encode character u'\u2013' in position 17: ordinal not in range(128)
Traceback (most recent call last):File "/usr/bin/ansible-playbook",
line 105, in <module>cli.parse() File "/usr/lib/python2.7/site-
packages/ansible/cli/playbook.py", line 72, in parse super(PlaybookCLI,
self).parse()File "/usr/lib/python2.7/site-packages/ansible/cli/__init__.py", line 567, in parse
self.options, self.args = self.parser.parse_args(self.args[1:])File "/usr/lib64/python2.7/optparse.py",
line 1401, in parse_args
self.error(str(err))
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2013' in
position 17: ordinal not in …