在IDE中运行Presto时，如何配置以获取堆栈日志？
Got it, let's work through why you're not seeing stack traces in your Presto logs when running from the IDE, even after adjusting the log.properties file. Here's what you need to check and adjust:
1. Ensure Your Log Format Includes Stack Traces
The default log.properties might not be configured to output exception stack traces. You need to add a log.format property that includes the %ex placeholder—this tells the logger to print the full stack trace for errors.
2. Verify Log Output Target
Make sure logs are being sent to a place your IDE can capture, like the console. If logs are going to a file by default, you might be looking in the wrong spot.
3. Adjust Log Levels Strategically
While setting io.prestosql to ERROR is a start, sometimes you need to ensure specific sub-components are also configured to log errors with stacks.
Modified log.properties Example
Here's how to update your config file to get stack traces:
# # WARNING # # ^^^^^^^ # # This configuration file is for development only and should NOT be used # in production. For example configuration, see the Presto documentation. # # Set core Presto components to ERROR level to capture errors io.prestosql=ERROR # Keep existing low-level warnings for other components com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory=WARN com.ning.http.client=WARN io.prestosql.server.PluginManager=DEBUG # Add log format with stack trace support log.format=%d{ISO8601} %p %c{1}:%L %m%n%ex # Send logs directly to IDE console log.output=console
4. Restart Presto & Trigger an Error
After updating the config, restart your Presto instance in the IDE—log configurations don't hot-reload. Then trigger an error (like running a malformed SQL query, or forcing a component failure) and check the IDE console. You should now see full stack traces for any errors.
5. Double-Check IDE Console Settings
If you still don't see logs, verify your IDE's run/debug configuration:
- Ensure "Show console when standard output changes" and "Show console when standard error changes" are enabled
- Confirm the Presto process is attached to the IDE's console (not running in a separate terminal)
Your original
log.propertiesfor reference:# # WARNING # # ^^^^^^^ # # This configuration file is for development only and should NOT be used # in production. For example configuration, see the Presto documentation. # io.prestosql=DEBUG com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory=WARN com.ning.http.client=WARN io.prestosql.server.PluginManager=DEBUG
内容的提问来源于stack exchange，提问作者lulijun
