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Stirling-PDF/app/core/src/main/resources/logback.xml
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Anthony Stirling c57a2a45de Add v2 client-side PDF text editor (#6500)
# Description of Changes

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have run `task check` to verify linters, typechecks, and tests
pass
- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#7-testing)
for more details.
2026-09-01 20:55:59 +01:00

88 lines
4.0 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<define name="LOG_PATH" class="stirling.software.SPDF.config.LogbackPropertyLoader" />
<!-- Console Appender -->
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<!-- Rolling File Appender for Auth Logs -->
<appender name="AUTHLOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_PATH}/invalid-auths.log</file>
<encoder>
<pattern>%d %p %c{1} [%thread] %m%n</pattern>
</encoder>
<!-- SizeAndTime, not Time alone: the size trigger is what stops a
runaway logger filling the disk (see GENERAL appender note).
Archives are gzipped, so 64 MB of them holds far more than a
day. Worst case on disk is one 100 MB live file plus the cap. -->
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${LOG_PATH}/auth-%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
<maxFileSize>100MB</maxFileSize>
<maxHistory>7</maxHistory>
<totalSizeCap>64MB</totalSizeCap>
</rollingPolicy>
</appender>
<!-- Rolling File Appender for General Logs
Why SizeAndTimeBased + totalSizeCap: a previous build of the v2 PDF
text editor's reverse-CMap probe loop triggered PDSimpleFont to emit
one "No Unicode mapping for .notdef" WARN per probed charcode per
font per request. With TimeBasedRollingPolicy alone there was no
size ceiling; info.log grew to 1.4 GB in a single day before the JVM
choked. The class-level silencer fixes the specific offender, but
this size cap is the defence-in-depth: any future logger that
floods unexpectedly will roll + auto-delete instead of starving
disk + Jetty threads. -->
<appender name="GENERAL" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_PATH}/info.log</file>
<encoder>
<pattern>%d %p %c{1} [%thread] %m%n</pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<fileNamePattern>${LOG_PATH}/info-%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
<maxFileSize>100MB</maxFileSize>
<maxHistory>7</maxHistory>
<totalSizeCap>256MB</totalSizeCap>
</rollingPolicy>
</appender>
<!-- Suppress PDFBox PDSimpleFont's per-charcode .notdef WARN.
Required by the v2 PDF text editor's `buildReverseUnicodeMap`
which DELIBERATELY iterates every charcode in 0..0xFFFF to
discover the encoding-to-Unicode map of an embedded subset
font. For any subset font ~99% of those probes hit .notdef,
and the default WARN level for those misses turned info.log
into a 1.4 GB monster overnight.
This declarative logback entry is the SOLE mechanism: it is
visible to ops and revertable via configuration. An earlier
build also mutated this logger's level from a static block in
PdfTextEditorCharcodeController, which silenced the same
warnings JVM-wide with no trace in any config file - that
static block has been removed in favour of this entry. -->
<logger name="org.apache.pdfbox.pdmodel.font.PDSimpleFont"
level="ERROR" additivity="false">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="GENERAL"/>
</logger>
<!-- Root Logger -->
<root level="INFO">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="GENERAL"/>
</root>
<!-- Specific Logger -->
<logger name="stirling.software.proprietary.security.CustomAuthenticationFailureHandler"
level="ERROR" additivity="false">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="AUTHLOG"/>
</logger>
</configuration>