Troubleshooting CodeBuild Failure in the Build Phase Due to Gradle Errors
This DOP-C02 practice question tests your understanding of sdlc automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Refer to the exhibit. A developer is troubleshooting a failed AWS CodeBuild build. The buildspec file contains the following build commands: 'pre_build' - run linting, 'build' - './gradlew build', 'post_build' - package artifact. The error occurs in the build phase. Which of the following is the MOST likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Gradle build encountered compilation or test errors.
The error occurs in the build phase, which executes './gradlew build'. Gradle's build task compiles source code and runs tests by default. If compilation fails or tests fail, Gradle exits with a non-zero exit code, causing AWS CodeBuild to mark the build phase as failed. The error message in the build logs would typically show compilation errors or test failures.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
The Gradle build encountered compilation or test errors.
Why this is correct
exit status 1 from gradlew indicates a build failure.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The build environment ran out of disk space.
Why it's wrong here
Disk space would cause a different error message.
✗
The artifact packaging step failed.
Why it's wrong here
Packaging is in post_build, which hasn't run yet.
✗
The linting step failed.
Why it's wrong here
The error occurs in the build phase, not pre_build.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the phase in which each command runs (pre_build, build, post_build) and attribute the error to a step that executes in a different phase, rather than recognizing that the error occurs specifically in the build phase where './gradlew build' runs.
Detailed technical explanation
How to think about this question
Gradle's build task compiles Java/Kotlin source files and runs any configured tests. If a test fails, Gradle reports BUILD FAILED with exit code 1. AWS CodeBuild treats any non-zero exit code from a buildspec command as a phase failure. The build logs will contain the specific compilation error or test failure output, which is the first place to look when debugging.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The Gradle build encountered compilation or test errors. — The error occurs in the build phase, which executes './gradlew build'. Gradle's build task compiles source code and runs tests by default. If compilation fails or tests fail, Gradle exits with a non-zero exit code, causing AWS CodeBuild to mark the build phase as failed. The error message in the build logs would typically show compilation errors or test failures.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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