I'm developing a proof of concept web application based on angular.js for corporate users, which - as so often in my career - means that they are using Internet Explorer. Several users complained about sporadic failures which were really hard to pin down, but during debugging sessions boiled down to a simple observation: the errors … Continue reading Heisenbugs with angular.js and Internet Explorer 9 or: missing console.log
Tag: debugging
AngularJS, Internet Explorer 9 and watch error
While working on an enterprise project (of course...) I run into an error with Angular (1.3.13), Internet Explorer 9 and $watch-ing a scope when programming a directive: TypeError: Object doesn't support property or method 'watch' I'll never find out what the reason is. The collective wisdom of Angular users claims that including JQuery solves … Continue reading AngularJS, Internet Explorer 9 and watch error
Tomcat/Scala: invalid byte tag in constant pool: 110
When deploying a Scala application on Tomcat 7 I got this weird error: invalid byte tag in constant pool: 110 from Tomcat's annotation scanning in the scala utils jar. There is this bug report that claims it's fixed, but it seems to still happen wit 7.0.53. Since the application doesn't rely on Tomcat's annotation scanning, … Continue reading Tomcat/Scala: invalid byte tag in constant pool: 110
Tomcat, Spring and memory leaks when undeploying or redeploying an web application
In this post I'll talk about a new kind of memory leak in Spring applications involving transaction management and initializing beans. About memory leaks when undeploying a web application While developing a web application with Spring and Tomcat I frequently run out of heap space. The web is full of stories about this. There is … Continue reading Tomcat, Spring and memory leaks when undeploying or redeploying an web application
Annotations, Java compiler and missing debugging information
So I play with my favorite ant build script and a day later nearly every annotation is broken: java.lang.IllegalStateException: No parameter name specified for argument of type [java.lang.String], and no parameter name information found in class file either. as far as the eye goes. What actually happened is that the new deployment skips debugging information … Continue reading Annotations, Java compiler and missing debugging information
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