Tag Archives: Grails

How to Solve: “Too many connections”; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:

Hi, in one of my projects I used GPars and its withPool() method to execute some async tasks. The prime purpose of a task is to fetch some data from external sources and save the resulting data to a database. … Continue reading

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How to solve: ** java.lang.instrument ASSERTION FAILED ***: “!errorOutstanding” with message transform method call failed at ../../../src/share/instrument/JPLISAgent.c line:

Hi, as I tested some memory intensive, recursive functions with GGTS 3.6 and Grails 2.4, execution was interrupted with the following error message: While this error message is not really helpful to find the root cause, I guess it has … Continue reading

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Debugging in GGTS fails with: Error – your app path – does not appear to be part of a Grails application.

Hi, recently I worked on a Grails 2.4.x project in GGTS 3.6. After some coding, refactoring and reconfiguration, debugging stopped working with the following error message: The weird thing was, that grails run-app still worked, while only debugging wasn’t possible anymore. … Continue reading

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Deploy a Grails App on AWS Beanstalk

Hi, sometimes I use AWS Beanstalk to host my Grails apps. It’s convenient, especially when it comes to managed databases, and it fulfills its purpose with a reasonable price tag. Here, you will find a nice description about how to deploy a … Continue reading

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How to Solve the “GrailsProcessDiedException” in Grails/Groovy Tool Suite GGTS 3.4.0

Hi, I just installed the actual Groovy Grails Tool Suite (GGTS) 3.4.0 on my OSX 10.9.1 with Java 7. As I tried to create a simple Grails project by File -> New -> Grails Project, the command terminated with the following … Continue reading

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How to Solve Grails: Error generating web.xml file

If you get this error: and a clean or refresh-dependencies do not help, then delete ./target and its sub-directories. HTH to save you some time.

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