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It's very very painful to debug the b+tree.
I have finished all 4 labs in a month, but it takes me few weeks to debug the extra b+ tree
implementation. And the debug routine is very hard and painful.
So I wonder if there are any tools or ideas to improve the experience of debugging and tracking
the insert path and else.
Crushing...
A bug in HeapFileEncoder.java
Here is a bug when converting a txt file to a binary file in lab1. If the txt file doesn't end up with a new line, the last line of the txt file will be ignored (Because the recordcount won't be increased and the data in buff won't be written into the stream). Maybe it's not a problem.
NoClassDefFoundError during ant test
I have finished this lab (with the extra B+ Tree storage practice)
The tests and systemtests have also been passed in IDEA.
But error occured when I run ant test
:
[junit] Running test.simpledb.AggregateTest
[junit] Testsuite: test.simpledb.AggregateTest
[junit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0 sec
[junit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0 sec
[junit]
[junit] Caused an ERROR
[junit] simpledb/AggregateTest (wrong name: test/simpledb/AggregateTest)
[junit] java.lang.NoClassDefFoundError: simpledb/AggregateTest (wrong name: test/simpledb/AggregateTest)
So, what's the problem in there?
an error when run ant test command
I have just started doing this lab.
In the lab1, when i try to run the ant test command, there is an
error.please help me.
BUILD FAILED
/Users/ziv/develop/lab1/build.xml:214: The following error occurred while
executing this line:
/Users/ziv/develop/lab1/build.xml:62: Test simpledb.AggregateTest failed
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