JPLI Batch Error Analyzer

Automated batch error analysis platform for mainframe environments running JPLI applications (COBOL to Java migrations), built for a Spanish Tier 1 bank. The user uploads a ZIP with the full evidence of a batch error —organized in nested directories per run— and a dispatcher walks that hierarchy, classifying each file by naming convention (JCL scripts, stdout logs, XML stacktraces and the JPLI/Java source tree extracted from the stacktrace itself) and routing it to the matching agent. A team of 6 specialized LLM agents works in parallel: they analyze the JCL scripts, the stdout logs, the exception hierarchy in the XML stacktraces and the JPLI/Java code involved; a fifth agent correlates every source, rebuilds the error timeline and determines the root cause with an associated confidence level; and a sixth generates the final technical report —executive summary, root cause, supporting evidence, impact and an actionable correction plan— following the structure agreed with the client. The whole flow is traced with centralized, level-based logging. Confidential client project.