Hello We are using stored procedures and it's executed by auto processe

prasadhk over 10 years ago

Hello
We are using stored procedures and it's executed by auto processes that executes every few minutes. Sometimes the DB node throws the error "com.appiancorp.kougar.driver.exceptions.SafeRetryException: Unable to acquire a Write connection. Safe to retry. ". If we manually reexecute the node, it works just fine. Do anybody come across this issue? Currently the pool size is set to 5000 in our appian ds xml. If we increase the pool size, that would help to resolve this? any thoughts? Is there a way we retry the DB node if this error occurs?...

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0 Matt Luo
Appian Employee
over 10 years ago

Hello Prasadh,

I am continuing to research this topic.
In the meantime, allow me to explain that the error in your post, "com.appiancorp.kougar.driver.exceptions.SafeRetryException: Unable to acquire a Write connection. Safe to retry." refers to a write connection failure to the Appian engine k database files, as opposed to the relational database configured by appian-ds.xml. So, I think we will need to look beyond increasing the pool size in appian-ds.xml as a solution for this particular error message.
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0 Matt Luo
Appian Employee
over 10 years ago

Hello Prasadh,

I am continuing to research this topic.
In the meantime, allow me to explain that the error in your post, "com.appiancorp.kougar.driver.exceptions.SafeRetryException: Unable to acquire a Write connection. Safe to retry." refers to a write connection failure to the Appian engine k database files, as opposed to the relational database configured by appian-ds.xml. So, I think we will need to look beyond increasing the pool size in appian-ds.xml as a solution for this particular error message.
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