From 30ad1183aa004b27b62bb165ac05bdff4b44db68 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Thu, 5 Feb 2026 09:31:41 +0000
Subject: [PATCH 1/2] chore(deps): update dependency
 com.google.errorprone:error_prone_core to v2.47.0

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index c5fc1b43a..4e3018de8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -449,7 +449,7 @@
                 <path>
                   <groupId>com.google.errorprone</groupId>
                   <artifactId>error_prone_core</artifactId>
-                  <version>2.46.0</version>
+                  <version>2.47.0</version>
                 </path>
                 <path>
                   <groupId>com.uber.nullaway</groupId>

From 529ff69b6f81f96c0b7d366ef4899304ffc63eb0 Mon Sep 17 00:00:00 2001
From: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Date: Thu, 5 Feb 2026 12:13:24 +0100
Subject: [PATCH 2/2] fix

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
---
 .../metrics/exporter/common/PrometheusHttpRequest.java        | 2 ++
 .../prometheus/metrics/exporter/pushgateway/PushGateway.java  | 4 ++++
 .../metrics/expositionformats/ExpositionFormatWriter.java     | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/prometheus-metrics-exporter-common/src/main/java/io/prometheus/metrics/exporter/common/PrometheusHttpRequest.java b/prometheus-metrics-exporter-common/src/main/java/io/prometheus/metrics/exporter/common/PrometheusHttpRequest.java
index 3af9996e3..4483fc83f 100644
--- a/prometheus-metrics-exporter-common/src/main/java/io/prometheus/metrics/exporter/common/PrometheusHttpRequest.java
+++ b/prometheus-metrics-exporter-common/src/main/java/io/prometheus/metrics/exporter/common/PrometheusHttpRequest.java
@@ -43,6 +43,8 @@ default String getParameter(String name) {
   /** See {@code jakarta.servlet.ServletRequest.getParameterValues(String)} */
   @Override
   @Nullable
+  // decode with Charset is only available in Java 10+, but we want to support Java 8
+  @SuppressWarnings("JdkObsolete")
   default String[] getParameterValues(String name) {
     try {
       ArrayList<String> result = new ArrayList<>();
diff --git a/prometheus-metrics-exporter-pushgateway/src/main/java/io/prometheus/metrics/exporter/pushgateway/PushGateway.java b/prometheus-metrics-exporter-pushgateway/src/main/java/io/prometheus/metrics/exporter/pushgateway/PushGateway.java
index 72e0561c1..ab2c07ee9 100644
--- a/prometheus-metrics-exporter-pushgateway/src/main/java/io/prometheus/metrics/exporter/pushgateway/PushGateway.java
+++ b/prometheus-metrics-exporter-pushgateway/src/main/java/io/prometheus/metrics/exporter/pushgateway/PushGateway.java
@@ -253,6 +253,8 @@ private void doRequest(@Nullable PrometheusRegistry registry, String method) thr
     }
   }
 
+  // toString with Charset is only available in Java 10+, but we want to support Java 8
+  @SuppressWarnings("JdkObsolete")
   private static String readFromStream(InputStream is) throws IOException {
     ByteArrayOutputStream result = new ByteArrayOutputStream();
     byte[] buffer = new byte[1024];
@@ -497,6 +499,8 @@ private Format getFormat() {
       return Format.PROMETHEUS_PROTOBUF;
     }
 
+    // encode with Charset is only available in Java 10+, but we want to support Java 8
+    @SuppressWarnings("JdkObsolete")
     private URL makeUrl(@Nullable ExporterPushgatewayProperties properties)
         throws UnsupportedEncodingException, MalformedURLException {
       StringBuilder url =
diff --git a/prometheus-metrics-exposition-textformats/src/main/java/io/prometheus/metrics/expositionformats/ExpositionFormatWriter.java b/prometheus-metrics-exposition-textformats/src/main/java/io/prometheus/metrics/expositionformats/ExpositionFormatWriter.java
index 67f1ee41e..03ac229ca 100644
--- a/prometheus-metrics-exposition-textformats/src/main/java/io/prometheus/metrics/expositionformats/ExpositionFormatWriter.java
+++ b/prometheus-metrics-exposition-textformats/src/main/java/io/prometheus/metrics/expositionformats/ExpositionFormatWriter.java
@@ -20,6 +20,8 @@ default void write(OutputStream out, MetricSnapshots metricSnapshots) throws IOE
   }
 
   /** Converts the metric snapshots to a debug string using the specified escaping scheme. */
+  // toString with Charset is only available in Java 10+, but we want to support Java 8
+  @SuppressWarnings("JdkObsolete")
   default String toDebugString(MetricSnapshots metricSnapshots, EscapingScheme escapingScheme) {
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     try {