fix(java): 🐛 fixed missing error handling

[WasiqB]

Closes: #109

Type of changes?

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• New feature: Non-breaking change which adds a new feature
• Performance improvement: Non-breaking change which improves performance
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• Breaking change: A breaking change which requires a new version of the library

Checklist for Java project

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• Test coverage is at least 80% for newly added changes?
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• README updated? (if applicable)
• Documentation website updated for the PR raised?

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Reviewers

@WasiqBhamla/boyka-core

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