Save the following code to a `Demo.java` and run the commands in shell as
@ -39,68 +39,67 @@ public class Demo {
}
```
Save the contents above into `Demo.java`, then compile it under the command line:
```bash
javac Demo.java
java Demo
```
You can also save and start the code in IDE.
## 2. Start Arthas
### Linux/Unix/Mac
Execute the following command in the command line:
```bash
./as.sh
```
> The user to run this script *MUST* have the same privilege as the owner of the target process, as a simple example you can try the following command if the target process is managed by user `admin`: `sudo su admin && ./as.sh` or `sudo -u admin -EH ./as.sh`. For more details on the bootstrap script, please refer to [Start Arthas](start-arthas.md). If you cannot be able to attach to the target process, please check the logs under `~/logs/arthas` for troubleshooting.
1. the user to run the *command* should have the same privilege as the owner of the target process, as a simple example you can try the following command if the target process is managed by user `admin`:
```bash
sudo su admin && ./as.sh
# Or
sudo -u admin -EH ./as.sh
```
2. For more details of the booting script, please refer to [Start Arthas](start-arthas.md).
3. If you cannot *attach* the target process, please check the logs under `~/logs/arthas` for troubleshooting.
Select the target Java process to attach:
4. Selecting the target process as:
```
$ ./as.sh
Arthas script version: 3.0.2
Found existing java process, please choose one and hit RETURN.
* [1]: 95428
```bash
$ ./as.sh
Arthas script version: 3.0.2
Found existing java process, please choose one and hit RETURN.
* [1]: 95428
[2]: 22647 org.jetbrains.jps.cmdline.Launcher
[3]: 21736
[4]: 13560 Demo
```
```
We select `4` to check our Demo process and we then have
The 'Demo' process is the fourth as shown above, press '4' then 'Enter'. Arthas will attach to the target process, and start to output:
```
Connecting to arthas server... current timestamp is 1536656867
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
```bash
Connecting to arthas server... current timestamp is 1536656867
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
,---. ,------. ,--------.,--. ,--. ,---. ,---.
/ O \ | .--. ''--. .--'| '--' | / O \ ' .-'
| .-. || '--'.' | | | .--. || .-. |`. `-.
| | | || |\ \ | | | | | || | | |.-' |
`--' `--'`--' '--' `--' `--' `--'`--' `--'`-----'
| .-. || '--'.' | | | .--. || .-. |`. `-.
| | | || |\ \ | | | | | || | | |.-' |
`--' `--'`--' '--' `--' `--' `--'`--' `--'`-----'
wiki: https://alibaba.github.io/arthas
version: 3.0.1-RC-SNAPSHOT
pid: 13560
timestamp: 1536656867894
$
```
wiki: https://alibaba.github.io/arthas
version: 3.0.1-RC-SNAPSHOT
pid: 13560
timestamp: 1536656867894
```
### Windows
Open the *DOS* console, under the unzipped arthas folder execute `as.bat <pid>`
Open 'Command' window, execute `as.bat <pid>` from where the Arthas package file is unzipped.
## 3. Check the Dashboard
Type in [dashboard](dashboard.md) and hit the *ENTER*, you will see it as (`Ctrl+C` to stop)
Type '[dashboard](dashboard.md)' and hit 'ENTER', a brief report on the current process will be shown as below, pls. `Ctrl+C` to stop:
Pls. refer to [advanced usages](advanced-use.md) for more information.
## 5. Exit Arthas
- `quit` or `exit` will just disconnect the current console connection while Arthas still running in the target process
- `shutdown` will terminate the Arthas completely
Use `quit` or `exit` to disconnect from the current process. The Arthas instance attached to the target process continues to live inside the process, and its port is standby for further connection.
Use `shutdown` to have Arthas completely quit from the target process.
beiwei30
6 years ago