java - defects4j database: I encountered problems during using the tools -


i beginner in software testing fields.and encountered problems during study bug databases. i'm not sure if environment installation wrong.or else? screenshot follows. answers.

[the problem photo]

enter image description here

wrong information follow:

$ defects4j checkout -p lang -v 1b -w ./lang_1_buggy check out 687b2e62 c:/users/gzq/desktop/lang_1_buggy.................... ok

init local repository...................................................... ok

tag post-fix revision...................................................... ok

initialize fixed program version........................................... ok

apply patch................................................................ fail

d:/defects4j/framework/projects/lang/patches/1.src.patch:20: trailing whitespace. if (hexdigits > 16) { // many long

d:/defects4j/framework/projects/lang/patches/1.src.patch:24: trailing whitespace. if (hexdigits > 8) { // many int

error:

patch failed:

src/main/java/org/apache/commons/lang3/math/numberutils.java:464  error: src/main/java/org/apache/commons/lang3/math/numberutils.java: patch not apply  executed command: cd c:/users/gzq/desktop/lang_1_buggy && git apply   d:/defects4j/framework/projects/lang/patches/1.src.patch 2>&1  cannot checkout program version! @ d:/defects4j/framework/bin/d4j/d4j-checkout line 94.  compilation failed in require @ d:/defects4j/framework/bin/defects4j line 155

.


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