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Python pickle: dealing with updated class definitions

由 ε祈祈猫儿з 提交于 2019-12-10 12:46:44
问题 After a class definition is updated by recompiling a script, pickle refuses to serialize previously instantiated objects of that class, giving the error: "Can't pickle object: it's not the same object as " Is there a way to tell pickle that it should ignore such cases? To just identify classes by name, ignore whichever internal unique ID is causing the mismatch? I would definitely welcome as an answer the suggestion of an alternative, equivalent module which solves this problem in a

Hot code swap is not working, why?

由 半腔热情 提交于 2019-12-07 07:43:27
问题 When I'm trying to write a simple one class console app - there is no problem. I can change code in a method when debugging. The problem is with my web apps on Jetty. It's not working nor just in usual debug mode(pressing a debug button in eclipse) nor in remote debug mode described here. I can debug but can't change even usual not static methods, like adding sysout for example, I mean I can change it but after saving it's not updated and it works the same as before. Also, I talked to my

Strange java.beans.Introspector behavior on WebLogic with DCEVM and HotSwapAgent

由 China☆狼群 提交于 2019-12-07 07:30:54
问题 I am running WebLogic on JVM 1.7 with DCEVM (full implementation) and HotSwapAgent with custom plugin that gets triggered on every onClassLoad. I run into problems with Freemarker, which uses java.beans.Introspector. What I discovered is the fact that when I call Introspector.flushCaches on the method called by HotSwapAgent (through ReflectionCommand), then the BeanInfo in Introspector is invalidated properly (checked with debugger in that thread). However when I make request to the WLS

Freemarker removeIntrospectionInfo does not work with DCEVM after model hotswap

由 拥有回忆 提交于 2019-12-07 06:13:40
问题 I am using Freemarker and DCEVM+HotSwapManager agent. This basically allows me to hotswap classes even when adding/removing methods. Everything works like charm until Freemarker uses hotswapped class as model. It's throwing freemarker.ext.beans.InvalidPropertyException: No such bean property on me even though reflection shows that the method is there (checked during debug session). I am using final Method clearInfoMethod = beanWrapper.getClass().getDeclaredMethod("removeIntrospectionInfo",

Eclipse Hot Code Replace Fail - republish web application

由 断了今生、忘了曾经 提交于 2019-12-07 02:15:36
问题 I use the Hot Swap java debugging feature with web app on Tomcat. After some class signature change, I got "Hot Code Replace Fail" Eclipse dialog - I understand that. What I want in such case is to republish the application (I can do that) and work with the newly deployed code. However the debugger stil complains, until I restart the server. Because other apps and long startup I don't want that. Is there a way how to tell to the debugger, that there is the new class version already reloaded

Java Hotswap with Eclipses and Remote Debugging on Local Machine

由 。_饼干妹妹 提交于 2019-12-06 08:38:15
问题 I'm trying to find out how to enable hotswapping of code while debugging with my build system and am coming up dry. I've got an Ant build with a debug target like so: <target name="debug_dev" depends="compile" description="Runs development version with the debugger."> <java classname="applets.TabHandler" fork="true" dir="build"> <jvmarg value="-Xdebug" /> <jvmarg value="-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000" /> <classpath refid="compile_classpath" /> </java> </target>

Hot swapping code like Java in C#

由 萝らか妹 提交于 2019-12-06 03:05:31
问题 Is there a way, in visual studio, I could enable code hot swap? In java, using eclipse at least, you can change code at runtime, save it and it will instantaneous change in your application. I know there is the "edit and continue" feature, but I am wondering if there was the same feature for C#. 回答1: The question is unclear. Are you looking for "edit and continue" in C#? That exists since VS2010 (although only if running in 32 bit mode). Or do you want to make your application swap code at

How to use Hotswap in Netbeans?

由 末鹿安然 提交于 2019-12-05 21:55:52
问题 How to do that? I can't find any option for it in the IDE... Please help me, I'm clueless. 回答1: Run your app in "debug" mode Modify your .java files and save them Click on the "Apply Code Changes" button that appears on the toolbar (it looks like three linked green rectangles, or Tools -> Options -> Java -> Java Debugger -> General -> Appl code changes after save) 来源： https://stackoverflow.com/questions/10084289/how-to-use-hotswap-in-netbeans

Strange java.beans.Introspector behavior on WebLogic with DCEVM and HotSwapAgent

由 孤者浪人 提交于 2019-12-05 15:56:22
I am running WebLogic on JVM 1.7 with DCEVM (full implementation) and HotSwapAgent with custom plugin that gets triggered on every onClassLoad. I run into problems with Freemarker, which uses java.beans.Introspector. What I discovered is the fact that when I call Introspector.flushCaches on the method called by HotSwapAgent (through ReflectionCommand), then the BeanInfo in Introspector is invalidated properly (checked with debugger in that thread). However when I make request to the WLS appserver, then Introspector for the worker thread shows the old values! This seems like some thread-local

Hot code swap is not working, why?

由 主宰稳场 提交于 2019-12-05 10:35:13
When I'm trying to write a simple one class console app - there is no problem. I can change code in a method when debugging. The problem is with my web apps on Jetty. It's not working nor just in usual debug mode(pressing a debug button in eclipse) nor in remote debug mode described here . I can debug but can't change even usual not static methods, like adding sysout for example, I mean I can change it but after saving it's not updated and it works the same as before. Also, I talked to my colleagues, it works for them but they use Spring Tool Suite version of eclipse, I tried and concluded
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