v1.3.8

What's Changed

🏕 Features

• Introduce removeIf method to StatefulMetric by @dao-jun in #1339
• bom should not include junit by @zeitlinger in #1359
• Fixed typos by @dhoard in #1363
• Let clients of DropwizardExports handle validation errors by @mnssn in #1354
• Dropwizard apply label mapper to snapshot metrics by @KacperFilutowski-TomTom in #1266

👒 Dependencies

• Bump jetty-server.version from 12.0.20 to 12.0.21 by @dependabot in #1349
• Bump org.apache.tomcat.embed:tomcat-embed-core from 11.0.6 to 11.0.7 by @dependabot in #1350
• Bump com.google.protobuf:protobuf-java from 4.30.2 to 4.31.0 by @dependabot in #1357
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.15.0-alpha to 2.16.0-alpha by @dependabot in #1358
• Bump super-linter/super-linter from 7.3.0 to 7.4.0 by @dependabot in #1362
• Bump org.mockito:mockito-core from 5.17.0 to 5.18.0 by @dependabot in #1365
• Bump org.springframework.boot:spring-boot-starter-parent from 3.4.5 to 3.4.6 by @dependabot in #1366

New Contributors

• @dao-jun made their first contribution in #1339
• @mnssn made their first contribution in #1354
• @KacperFilutowski-TomTom made their first contribution in #1266

Full Changelog: v1.3.7...v1.3.8

v1.3.7

What's Changed

🏕 Features

• Use bulk string writes for text formats by @marschall in #1273
• fix method name in two Histogram builder method javadocs by @benjaminp in #1302
• Set a name to threads created by Scheduler Threadfactory by @edoardocomar in #1307
• add option to skip the shaded protobuf and otel libraries by @zeitlinger in #1293
• fix timestamp representation by @zeitlinger in #1292
• Eagerly reject null label values by @benjaminp in #1335
• Fix broken link to "Exclude protobuf exposition format" section by @izeye in #1347
• Synchronize common files from prometheus/prometheus by @prombot in #1340

🧹 Chore

• increase coverage by @zeitlinger in #1276
• fix gh pages by @zeitlinger in #1278
• Fix documentation typo by @bzier in #1282
• use Mise by @zeitlinger in #1319
• Fix next SNAPSHOT version by @fstab in #1217
• add Zizmor by @zeitlinger in #1337
• fix gh pages, add super linter by @zeitlinger in #1338
• add release.yml by @zeitlinger in #1341
• Fix by @zeitlinger in #1342
• fix lint by @zeitlinger in #1343
• Fix release by @zeitlinger in #1344

👒 Dependencies

• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.12.0-alpha to 2.13.0-alpha by @dependabot in #1275
• Bump org.apache.tomcat.embed:tomcat-embed-core from 11.0.2 to 11.0.4 by @dependabot in #1274
• Bump org.apache.maven.plugins:maven-clean-plugin from 3.4.0 to 3.4.1 by @dependabot in #1279
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.13.0-alpha to 2.13.1-alpha by @dependabot in #1280
• Bump org.testcontainers:junit-jupiter from 1.20.4 to 1.20.5 by @dependabot in #1281
• Bump org.awaitility:awaitility from 4.2.2 to 4.3.0 by @dependabot in #1286
• Bump com.diffplug.spotless:spotless-maven-plugin from 2.44.2 to 2.44.3 by @dependabot in #1284
• Bump org.apache.maven.plugins:maven-compiler-plugin from 3.13.0 to 3.14.0 by @dependabot in #1283
• Bump org.springframework.boot:spring-boot-starter-parent from 3.4.2 to 3.4.3 by @dependabot in #1285
• Bump org.slf4j:slf4j-simple from 2.0.16 to 2.0.17 by @dependabot in #1288
• Bump org.apache.maven.plugins:maven-project-info-reports-plugin from 3.8.0 to 3.9.0 by @dependabot in #1290
• Bump org.apache.maven.plugins:maven-deploy-plugin from 3.1.3 to 3.1.4 by @dependabot in #1291
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.13.1-alpha to 2.13.2-alpha by @dependabot in #1289
• Bump junit-jupiter.version from 5.11.4 to 5.12.0 by @dependabot in #1287
• Bump org.apache.maven.plugins:maven-install-plugin from 3.1.3 to 3.1.4 by @dependabot in #1294
• Bump org.mockito:mockito-core from 5.15.2 to 5.16.0 by @dependabot in #1297
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.13.2-alpha to 2.13.3-alpha by @dependabot in #1296
• Bump org.testcontainers:junit-jupiter from 1.20.5 to 1.20.6 by @dependabot in #1298
• Bump org.wiremock:wiremock from 3.12.0 to 3.12.1 by @dependabot in #1295
• Bump com.google.protobuf:protobuf-java from 4.29.3 to 4.30.0 by @dependabot in #1299
• Bump jetty-server.version from 12.0.16 to 12.0.17 by @dependabot in #1300
• Bump org.apache.tomcat.embed:tomcat-embed-core from 11.0.4 to 11.0.5 by @dependabot in #1301
• Bump junit-jupiter.version from 5.12.0 to 5.12.1 by @dependabot in #1304
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.13.3-alpha to 2.14.0-alpha by @dependabot in #1306
• Bump com.google.protobuf:protobuf-java from 4.30.0 to 4.30.1 by @dependabot in #1305
• Bump org.mockito:mockito-core from 5.16.0 to 5.16.1 by @dependabot in #1308
• Bump jetty-server.version from 12.0.17 to 12.0.18 by @dependabot in #1309
• Bump com.google.guava:guava from 33.4.0-jre to 33.4.5-jre by @dependabot in #1310
• Bump com.google.errorprone:error_prone_core from 2.36.0 to 2.37.0 by @dependabot in #1311
• Bump org.springframework.boot:spring-boot-starter-parent from 3.4.3 to 3.4.4 by @dependabot in #1312
• Bump com.google.guava:guava from 33.4.5-jre to 33.4.6-jre by @dependabot in #1313
• Bump com.google.protobuf:protobuf-java from 4.30.1 to 4.30.2 by @dependabot in #1314
• Bump org.apache.maven.plugins:maven-surefire-plugin from 3.5.2 to 3.5.3 by @dependabot in #1315
• Bump org.jacoco:jacoco-maven-plugin from 0.8.12 to 0.8.13 by @dependabot in #1318
• Bump org.apache.maven.plugins:maven-failsafe-plugin from 3.5.2 to 3.5.3 by @dependabot in #1316
• Bump org.mockito:mockito-core from 5.16.1 to 5.17.0 by @dependabot in #1320
• Bump jetty-server.version from 12.0.18 to 12.0.19 by @dependabot in #1317
• Bump com.diffplug.spotless:spotless-maven-plugin from 2.44.3 to 2.44.4 by @dependabot in #1322
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.14.0-alpha to 2.15.0-alpha by @dependabot in #1326
• Bump org.apache.tomcat.embed:tomcat-embed-core from 11.0.5 to 11.0.6 by @dependabot in #1324
• Bump com.google.guava:guava from 33.4.6-jre to 33.4.7-jre by @dependabot in #1323
• Bump junit-jupiter.version from 5.12.1 to 5.12.2 by @dependabot in #1327
• Bump commons-io:commons-io from 2.18.0 to 2.19.0 by @dependabot in #1328
• Bump junit-jupiter.version from 5.12.2 to 5.12.2 by @dependabot in #1329
• Bump com.google.guava:guava from 33.4.7-jre to 33.4.8-jre by @dependabot in #1330
• Bump com.google.errorprone:error_prone_core from 2.37.0 to 2.38.0 by @dependabot in #1332
• Bump org.wiremock:wiremock from 3.12.1 to 3.13.0 by @dependabot in #1334
• Bump org.testcontainers:junit-jupiter from 1.20.6 to 1.21.0 by @dependabot in #1333
• Bump org.springframework.boot:spring-boot-starter-parent from 3.4.4 to 3.4.5 by @dependabot in #1336
• Bump jetty-server.version from 12.0.19 to 12.0.20 by @dependabot in #1345
• Bump jdx/mise-action from 2.2.1 to 2.2.2 by @dependabot in #1348

New Contributors

• @marschall made their first contribution in #1273
• @bzier made their first contribution in #1282
• @benjaminp made their first contribution in #1302
• @edoardocomar made their first contribution in #1307
• @izeye made their first contribution in #1347

Full Changelog: v1.3.6...v1.3.7

v1.3.6

What's Changed

• rename files to avoid dependabot security warnings by @zeitlinger in #1239
• Use buffered writer by @michaldo in #1241
• Use buffered writer by @dhoard in #1248
• add dropwizard to bom by @zeitlinger in #1250
• Caffeine instrumentation: add weighted size metric by @jhominal in #1251
• Add documentation pages for Caffeine and Guava cache instrumentation libraries by @jhominal in #1262
• bom should not include guava - it was only for internal code reuse by @zeitlinger in #1269

New Contributors

• @Stephan202 made their first contribution in #1242
• @michaldo made their first contribution in #1241
• @jhominal made their first contribution in #1251

Full Changelog: v1.3.5...v1.3.6

v1.3.5

What's Changed

• Bump com.google.protobuf:protobuf-java from 4.28.3 to 4.29.1 by @dependabot in #1222
• Add support for dw-metrics 4.x by @kingster in #1228

Full Changelog: v1.3.4...v1.3.5

v1.3.4

What's Changed

• Add instrumentation for Guava & Caffeine to BOM by @der-eismann in #1175
• fix register part of documentation for caffeine & guava instrumentati… by @pheyken in #1203
• [prometheus-metrics-instrumentation-caffeine] implement getPrometheus… by @pheyken in #1206
• [prometheus-metrics-instrumentation-guava] implement getPrometheusNames by @pheyken in #1211
• make Protobuf optional by @zeitlinger in #1190

New Contributors

• @der-eismann made their first contribution in #1175

Full Changelog: v1.3.3...v1.3.4

v1.3.3

What's Changed

• Bump com.google.protobuf:protobuf-java from 4.28.2 to 4.28.3 by @dependabot in #1178
• Bump io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha from 2.8.0-alpha to 2.9.0-alpha by @dependabot in #1164
• avoid ConcurrentModificationException by @zeitlinger in #1191
• revert incompatible api change by @zeitlinger in #1192

Full Changelog: v1.3.2...v1.3.3

v1.3.2

What's Changed

• Simple MetricsSnapshot performance change by @dhoard in #963
• feat: add bearerToken builder to pushgateway exporter by @FUSAKLA in #968
• Fix UnknownDataPointSnapshot constructor by @mimaison in #977
• Added methods by @dhoard in #978
• Updated CircleCI image by @dhoard in #982
• Change links on front page to be relative by @MaBiConti in #981
• add support for guava instrumentation with 1.X.X by @pheyken in #979
• add support for caffeine instrumentation with 1.X.X by @pheyken in #983
• Nullify noLabels in StatefulMetric during clear() to prevent no-label inc to stop working by @iaco86 in #972
• Add abstract build method to MetricSnapshot.Builder by @mimaison in #969
• Fix PrometheusNaming.sanitizeMetricName() methods by @mimaison in #975
• additional improve MetricSnapshots.Builder performance by @burov4j in #985
• Make JvmMetrics.register idempotent with the default registry by @mimaison in #987
• http server, add subject.doAs handler wrapper for exchange attribute … by @gtully in #1089
• fix buffer sync logic using modern concurrency primitives by @zeitlinger in #991
• use otel autoconfigure by @zeitlinger in #1147
• Add clear() method into PrometheusRegistry to unregister all collectors by @zeitlinger in #1158

New Contributors

• @FUSAKLA made their first contribution in #968
• @mimaison made their first contribution in #977
• @MaBiConti made their first contribution in #981
• @pheyken made their first contribution in #979
• @iaco86 made their first contribution in #972
• @burov4j made their first contribution in #985
• @zeitlinger made their first contribution in #988
• @gtully made their first contribution in #1089

Full Changelog: v1.3.1...v1.3.2

1.3.1 / 2024-05-23

This is just a minor update to the 1.3.0 release:

With the previous releases it was possible to create illegal UNIT names, like new Unit("&^$") or new Unit("total").

This release prevents that (throwing an IllegalArgumentException), and also adds a method PrometheusNaming.sanitizeUnitName(name) for converting arbitrary strings into valid Prometheus UNIT names.

1.3.0 / 2024-05-16

This is the 1.3.0 release of the Prometheus Java client library.

The headline feature is the new prometheus-metrics-exporter-pushgateway module. See https://prometheus.github.io/client_java/exporters/pushgateway/ for documentation.

• [FEATURE] Port PushGateway to client_java 1.x
• [ENHANCEMENT] Run HTTPServer as a Daemon Thread. Thanks @mberndt123.
• [BUGFIX] Fix naming issue in the Dropwizard 5 exporter. Thanks @kingster
• [BUGFIX] Allow metric names with single character
• [ENHANCEMENT] Fix flaky tests. Thanks @dhoard for extensively load testing our build.
• [ENHANCEMENT] Enforce unit suffix in metric name when unit is not null. Thanks @jonatan-ivanov
• [ENHANCEMENT] Explicit DuplicateLabelsException when creating MetricSnapshot

Thanks to everyone who contributed.

1.2.1 / 2024-04-23

Minor release to help Spring Boot adopt client_java 1.x in the Micrometer Prometheus registry.

• [ENHANCEMENT] add a method for initializing PrometheusProperties with an external properties map. This can be used to load properties from Spring configuration. Thanks @jonatan-ivanov
• [ENHANCEMENT] remove import statement for SpanContextSupplier so that the code still runs if the prometheus-metrics-tracer-initializer dependency is excluded from the classpath (Micrometer implements it's own SpanContextSupplier and doesn't need the dependency).
• [BUGFIX] fix Javadoc links. Thanks @shakuzen.