xdump | A consistent partial database copy & load utility | Database library
kandi X-RAY | xdump Summary
kandi X-RAY | xdump Summary
A consistent partial database copy & load utility
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Top functions reviewed by kandi - BETA
- Dump a PostgreSQL database
- Base dump function
- Base load function
- Load data from a zip file
- Dump data to a zip file
- Generate SQL for related data
- Updates non - recursive relations
- Add related data to the database
- Dump SQLite database
- Load database
- Return the keyword arguments for the dump
- Destroy the database
- Return the logger object
- Get a logger
xdump Key Features
xdump Examples and Code Snippets
Community Discussions
Trending Discussions on xdump
QUESTION
I'm trying to add two numbers and subtract two numbers but when I compile my code it says 'invalid op-code' (I'm using assist (IBM))
...ANSWER
Answered 2019-Jun-21 at 18:41You have put your data where the assembler expects instructions to be. You need to find out how to specific a data or literal area and put your data there. Or rewrite your code to use immediate type data, where the values are in the itext.
QUESTION
I'm testing a custom Eclipse-RCP application. This application does some simple initialization and then starts a bunch of threads which parse a lot of XML files inside workspace.
Around once in 1000 executions one of those threads crashes with NullPointerException. This usually happens inside Xerces, sometimes in other libraries and sometimes inside Java standard library. The problem is those NullPointerExceptions seem to happen in lines where no pointer is dereferenced. For example:
...ANSWER
Answered 2017-Apr-10 at 22:39What could be causing this behavior
An instrumentation agent, a hardware bug or SIGSEGV signal somehow sent to the process.
Does OpenJDK has option like IBMs -Xdump so I can obtain core dump when problematic NullPointerException happens?
-XX:AbortVMOnException=java.lang.NullPointerException
, but this option is available in non-product builds only.
Is there some trick to set gdb breakpoint on NullPointerException?
You may try to set a breakpoint at the following functions:
Runtime1::throw_null_pointer_exception(JavaThread*)
SharedRuntime::throw_NullPointerException(JavaThread*)
SharedRuntime::throw_NullPointerException_at_call(JavaThread*)
Though an exception may be thrown from a lot more different places.
A better way is to setup JVM TI callback that will be invoked on every thrown exception. Here is an example of JVM TI agent that intercepts exceptions.
Could this be related to JVMs implicit null checks? Is there some flag to disable them
This is probably related. Implicit null checks may be disabled by -XX:-ImplicitNullChecks
, but the flag is again available only in debug builds of JVM.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install xdump
You can use xdump like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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