DongHyeonkaandClaude Opus 5
b2963105a8
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.
Follows the import procedure in README.md.
source/ the originating repository verbatim — 78 documents, 28 SVGs,
8 manifests, plus .source-revision recording the commit
final/ the SSOT
document.md 729 lines written from the 29 experiment documents, not
concatenated: what was predicted, what was measured, and
where the measurement itself was wrong
evidence/raw 125 outputs, flattened to <experiment>__<file> because
the originals collided (01-baseline.txt appeared three
times) and the audit only globs the top level
evidence/meta one per raw file; command and exitCode are null and the
README says why rather than inventing them
evidence/browser 22 captures
assets/ three diagrams through techviz
.techviz/ their VizSpecs
A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.
Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.
verify-pipeline.py passes. audit-records.py reports no issues.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
43 lines
2.2 KiB
Java
43 lines
2.2 KiB
Java
import dev.caskeleton.adapter.outbound.persistence.api.PersistenceOperationName;
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import dev.caskeleton.adapter.outbound.persistence.api.error.JpaPersistenceException;
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import dev.caskeleton.adapter.outbound.persistence.api.transaction.TransactionProfile;
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import dev.caskeleton.adapter.outbound.persistence.api.error.ConstraintCode;
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import dev.caskeleton.adapter.outbound.persistence.postgresql.error.PostgreSqlExceptionTranslator;
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import dev.caskeleton.adapter.outbound.persistence.transaction.OptimisticConflictTranslator;
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import dev.caskeleton.adapter.outbound.persistence.transaction.PersistenceFailureTranslatorChain;
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import dev.caskeleton.adapter.outbound.persistence.transaction.SpringJpaTransactionExecutor;
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import java.sql.SQLException;
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import java.time.*;
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import org.springframework.transaction.*;
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import org.springframework.transaction.support.SimpleTransactionStatus;
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public class JpaCommitAmbiguityProbe {
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public static void main(String[] args) {
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PlatformTransactionManager tm = new PlatformTransactionManager() {
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public TransactionStatus getTransaction(TransactionDefinition d) { return new SimpleTransactionStatus(true); }
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public void commit(TransactionStatus s) {
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throw new TransactionSystemException("commit acknowledgement lost", new SQLException("connection lost", "08006"));
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}
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public void rollback(TransactionStatus s) {}
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};
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var translator = PostgreSqlExceptionTranslator.with(name -> new ConstraintCode("unknown.constraint"));
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var executor = new SpringJpaTransactionExecutor(
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tm,
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Clock.fixed(Instant.parse("2026-08-29T00:00:00Z"), ZoneOffset.UTC),
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new PersistenceFailureTranslatorChain(OptimisticConflictTranslator.withoutCatalog(), translator));
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try {
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executor.execute(
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new PersistenceOperationName("probe.commit"),
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TransactionProfile.write("probe.commit", Duration.ofSeconds(5)),
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() -> "written",
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1,
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"reconcile-key-1");
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} catch (JpaPersistenceException ex) {
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System.out.println("type=" + ex.getClass().getSimpleName());
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System.out.println("category=" + ex.category());
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System.out.println("completionUnknown=" + ex.completionUnknown());
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System.out.println("retryable=" + ex.retryable());
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}
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}
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}
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