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I'm using a modern version of Eclipse with few plug-ins on a powerful computer to build a rather small Maven-based Java project which also has one other Eclipse project as dependency†. Nevertheless, the build times for this project are atrocious — to the point that I even had to disable automatic building for the project, which I've never done before. How can one profile the actual build process of an Eclipse project which uses Maven for building?

Environment

  • Windows 10 Pro 64-bit
  • Intel i7-6700 CPU @ 3.40 GHz
  • 8 GB RAM
  • Eclipse JEE Neon.1a Release (4.6.1), located on a traditional HDD
  • Maven runtime 3.3.9/1.7.0.20160603-1931 embedded in Eclipse
  • Java JDK 1.8.0_112 (64-bit), located on an SSD drive
  • The Eclipse projects in question are located on the same HDD as the IDE itself

Based on these specs, I see no excuse for such slow build times and so I'd like to be able to find the bottleneck responsible for them.

†I haven't got control over the project which is a dependency, and unfortunately it hasn't (yet) been converted into to a proper Maven project... which also means I'm currently stuck building my project in Eclipse.

errantlinguist
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    I guess your problem is "somewhere" within your statement that your project is "not a proper" maven project. I rather doubt that you get helpful advise here; have you tried asking within the eclipse forums? Besides: whatever you do here ... seems like spending time on a workaround. If you have a choice, better spent your time doing that "conversion into a proper maven project" yourself. – GhostCat Jan 03 '17 at 09:16
  • cant you make a JAR from the other project, install it into maven and then add a 'standard' dependency on it ? – Ji aSH Jan 03 '17 at 09:18
  • First: What do you define as "slow build times"? How many modules / projects are you building? Furthermore are you building inside of Eclipse or on command line ? Apart from that to increase your build time you need to have all projects / eclipse etc. on SSD...Is this a plain java project or OSGi ? What kind of project? EAR/WAR files etc.? BTW: What do you define as build time? – khmarbaise Jan 03 '17 at 09:22
  • @GhostCat I agree that the best solution is to clean up the dependency, but that is an entire project unto itself, as it's a mixture of Java, .NET and DLLs (requiring proprietary code and drivers). However, *that* project doesn't change at all, so at least in theory it should only be built once... or am I wrong? – errantlinguist Jan 03 '17 at 09:40
  • Well, you said you had to disable auto-build; so I assume ... it builds constantly? – GhostCat Jan 03 '17 at 09:42
  • I mean of course I change *my* project – errantlinguist Jan 03 '17 at 09:51

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