# JVM Log Analyzer

- Overall status: CRITICAL
- Finding language is a triage summary; logs alone do not prove root cause.

## CRITICAL: CertificateExpiredException

- Occurrences: 1
- Symptom: tls_certificate
- First seen: 2026-05-11 10:16:40
- Last seen: 2026-05-11 10:16:40
- Stack traces linked: 0

Sample log lines:

```text
Caused by: java.security.cert.CertificateExpiredException: NotAfter: Mon May 11 10:00:00 UTC 2026
```

## CRITICAL: CommunicationsException

- Occurrences: 1
- Symptom: database
- First seen: 2026-05-11 10:13:02
- Last seen: 2026-05-11 10:13:02
- Stack traces linked: 0

Sample log lines:

```text
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
```

## CRITICAL: connection pool exhausted

- Occurrences: 1
- Symptom: database
- First seen: 2026-05-11 10:12:55
- Last seen: 2026-05-11 10:12:55
- Stack traces linked: 0

Sample log lines:

```text
2026-05-11 10:12:55 ERROR inventory-api[2214] --- [HikariPool-1 housekeeper] com.zaxxer.hikari.pool.HikariPool : connection pool exhausted waiting for database connection
```

## CRITICAL: database unavailable

- Occurrences: 1
- Symptom: database
- First seen: 2026-05-11 10:13:02
- Last seen: 2026-05-11 10:13:02
- Stack traces linked: 0

Sample log lines:

```text
2026-05-11 10:13:02 ERROR inventory-api[2214] --- [http-nio-8080-exec-4] com.example.db.InventoryRepository : database unavailable during checkout commit
```

## CRITICAL: FATAL

- Occurrences: 1
- Symptom: fatal
- First seen: 2026-05-11 10:21:27
- Last seen: 2026-05-11 10:21:27
- Stack traces linked: 0

Sample log lines:

```text
2026-05-11 10:21:27 FATAL inventory-api[2214] --- [main] org.apache.catalina.core.StandardService : JVM failure detected, stopping service
```

## CRITICAL: Java heap space

- Occurrences: 1
- Symptom: jvm_memory
- First seen: 2026-05-11 10:21:27
- Last seen: 2026-05-11 10:21:27
- Stack traces linked: 0

Sample log lines:

```text
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
```

## CRITICAL: OutOfMemoryError

- Occurrences: 1
- Symptom: jvm_memory
- First seen: 2026-05-11 10:21:27
- Last seen: 2026-05-11 10:21:27
- Stack traces linked: 1

Sample log lines:

```text
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
```

Stack trace samples:

```text
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
        at java.base/java.util.Arrays.copyOf(Arrays.java:3537)
        at java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:228)
        at com.example.cache.ReportCache.loadAll(ReportCache.java:87)
```

## CRITICAL: SQLRecoverableException

- Occurrences: 1
- Symptom: database
- First seen: 2026-05-11 10:13:02
- Last seen: 2026-05-11 10:13:02
- Stack traces linked: 1

Sample log lines:

```text
java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
```

Stack trace samples:

```text
java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
        at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:743)
        at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:666)
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
        at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836)
        ... 2 more
```

## CRITICAL: SSLHandshakeException

- Occurrences: 1
- Symptom: tls_certificate
- First seen: 2026-05-11 10:16:40
- Last seen: 2026-05-11 10:16:40
- Stack traces linked: 1

Sample log lines:

```text
2026-05-11 10:16:40 ERROR inventory-api[2214] --- [cert-refresh] com.example.security.TrustStoreLoader : javax.net.ssl.SSLHandshakeException: PKIX path validation failed
```

Stack trace samples:

```text
2026-05-11 10:16:40 ERROR inventory-api[2214] --- [cert-refresh] com.example.security.TrustStoreLoader : javax.net.ssl.SSLHandshakeException: PKIX path validation failed
Caused by: java.security.cert.CertificateExpiredException: NotAfter: Mon May 11 10:00:00 UTC 2026
        at sun.security.provider.certpath.BasicChecker.verifyTimestamp(BasicChecker.java:194)
```

## WARNING: ERROR

- Occurrences: 8
- Symptom: log_level
- First seen: 2026-05-11 10:05:31
- Last seen: 2026-05-11 10:18:06
- Stack traces linked: 0

Sample log lines:

```text
2026-05-11 10:05:31 ERROR inventory-api[2214] --- [http-nio-8080-exec-7] com.example.orders.OrderController : request failed while loading order id=4812
2026-05-11 10:09:13 ERROR inventory-api[2214] --- [pool-4-thread-1] com.example.integration.TaxClient : java.net.ConnectException: connection refused connecting to tax-service:8443
2026-05-11 10:12:55 ERROR inventory-api[2214] --- [HikariPool-1 housekeeper] com.zaxxer.hikari.pool.HikariPool : connection pool exhausted waiting for database connection
```

## Top Exception Types

| Value | Count |
| --- | ---: |
| NullPointerException | 1 |
| IllegalStateException | 1 |
| SocketTimeoutException | 1 |
| ConnectException | 1 |
| SQLRecoverableException | 1 |
| CommunicationsException | 1 |
| SSLHandshakeException | 1 |
| CertificateExpiredException | 1 |
| OutOfMemoryError | 1 |

## Top Operational Symptoms

| Value | Count |
| --- | ---: |
| log_level | 10 |
| database | 4 |
| http_5xx | 3 |
| application_exception | 2 |
| network_timeout | 2 |
| network_connectivity | 2 |
| tls_certificate | 2 |
| jvm_memory | 2 |
| retry | 1 |
| fatal | 1 |

## Operational Summary

- Overall status: CRITICAL
- Total lines scanned: 32
- Total findings: 29
- Total stack traces detected: 4
- Critical finding groups: 9
- Warning finding groups: 11
- HTTP 5xx count: 3
- Parsed timestamps count: 13
- Unknown timestamps count: 19