Why does eclipse start building after a crash?

Question

Why does eclipse start building after a crash? The big problem is that I'm working with ClearCase UCM plugin and building takes up to two hours. What's the problem? Is there a way to solve this?

Answer 1

Note that the build will take much more time in a dynamic view (network access) than in a snapshot one (local disk access).
See "What are the differences between a snapshot view and a dynamic view?".

Before disabling the "Build automatically" eclipse option, check if the issue persists in a snapshot view.
Anyway, an automatic build is generally active only in a continuous integration environment (as shown in this article).

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The OP reports the following solution:

Disable the build-before-launch:

• Select "Window->Preferences".
• In the tree view pane, expand the "Run/Debug" node, and select "Launching".
• Disable (uncheck) the "Build (if required) before launching" option in the "General Options" section, and then click "OK".

The Launching Preferences for Juno do mention that this option is "on" by default.

Answer 2

Your auto build is taking long time may be you have a large workspace so If auto-build is taking too long and is interfering with ongoing development, it can be turned off. Uncheck your Build Automatically option in Project-> Build Automatically.

As shown in below image

You can check the purpose of build automatically here. If you need any further help you can go here.