diff --git a/streampark-e2e/streampark-e2e-case/src/test/java/org/apache/streampark/e2e/cases/EnvironmentTest.java b/streampark-e2e/streampark-e2e-case/src/test/java/org/apache/streampark/e2e/cases/EnvironmentTest.java
index 9b3c303ce4..bf1988167b 100644
--- a/streampark-e2e/streampark-e2e-case/src/test/java/org/apache/streampark/e2e/cases/EnvironmentTest.java
+++ b/streampark-e2e/streampark-e2e-case/src/test/java/org/apache/streampark/e2e/cases/EnvironmentTest.java
@@ -150,8 +150,6 @@ public void testCreateEmailSettingSuccessful() {
                 .password(emailPassword)
                 .ok();
 
-        emailSettingForm.buttonOk.click();
-
         Awaitility.await()
             .untilAsserted(
                 () -> assertThat(environmentPage.settingList)
diff --git a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.16-on-yarn/Dockerfile b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.16-on-yarn/Dockerfile
index 770255d968..66b927c068 100644
--- a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.16-on-yarn/Dockerfile
+++ b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.16-on-yarn/Dockerfile
@@ -17,6 +17,7 @@
 
 FROM apache/streampark:ci as base-image
 FROM flink:1.16.3-scala_2.12-java8 as flink-image
+FROM eclipse-temurin:8-jdk-jammy as jdk8-image
 
 # Install streampark
 FROM sbloodys/hadoop:3.3.6
@@ -28,18 +29,7 @@ RUN sudo chown -R hadoop.hadoop /streampark \
 COPY --from=flink-image /opt/flink /flink-1.16.3
 RUN sudo chown -R hadoop.hadoop /flink-1.16.3
 
-# Install javac
-ARG TARGETPLATFORM
-RUN echo "TARGETPLATFORM: $TARGETPLATFORM"
-RUN \
-    if [ "$TARGETPLATFORM" = "linux/arm64" ];then \
-        sudo rm -f /etc/yum.repos.d/*.repo; \
-        sudo wget http://mirrors.aliyun.com/repo/Centos-altarch-7.repo -O /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo sed -i "s/http:\/\//https:\/\//g" /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    elif [ "$TARGETPLATFORM" = "linux/amd64" ];then \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    else \
-        echo "unknown TARGETPLATFORM: $TARGETPLATFORM"; \
-        exit 2;  \
-    fi
+# Bundled JDK 8 from Eclipse Temurin (avoid CentOS 7 yum mirror retirement)
+COPY --from=jdk8-image /opt/java/openjdk /usr/lib/jvm/jdk8
+ENV JAVA_HOME=/usr/lib/jvm/jdk8
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
diff --git a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.17-on-yarn/Dockerfile b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.17-on-yarn/Dockerfile
index 141e87ae0a..488853ba3e 100644
--- a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.17-on-yarn/Dockerfile
+++ b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.17-on-yarn/Dockerfile
@@ -17,6 +17,7 @@
 
 FROM apache/streampark:ci as base-image
 FROM flink:1.17.2-scala_2.12-java8 as flink-image
+FROM eclipse-temurin:8-jdk-jammy as jdk8-image
 
 # Install streampark
 FROM sbloodys/hadoop:3.3.6
@@ -28,18 +29,7 @@ RUN sudo chown -R hadoop.hadoop /streampark \
 COPY --from=flink-image /opt/flink /flink-1.17.2
 RUN sudo chown -R hadoop.hadoop /flink-1.17.2
 
-# Install javac
-ARG TARGETPLATFORM
-RUN echo "TARGETPLATFORM: $TARGETPLATFORM"
-RUN \
-    if [ "$TARGETPLATFORM" = "linux/arm64" ];then \
-        sudo rm -f /etc/yum.repos.d/*.repo; \
-        sudo wget http://mirrors.aliyun.com/repo/Centos-altarch-7.repo -O /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo sed -i "s/http:\/\//https:\/\//g" /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    elif [ "$TARGETPLATFORM" = "linux/amd64" ];then \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    else \
-        echo "unknown TARGETPLATFORM: $TARGETPLATFORM"; \
-        exit 2;  \
-    fi
+# Bundled JDK 8 from Eclipse Temurin (avoid CentOS 7 yum mirror retirement)
+COPY --from=jdk8-image /opt/java/openjdk /usr/lib/jvm/jdk8
+ENV JAVA_HOME=/usr/lib/jvm/jdk8
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
diff --git a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.18-on-yarn/Dockerfile b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.18-on-yarn/Dockerfile
index d1b5cde8df..588be1011c 100644
--- a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.18-on-yarn/Dockerfile
+++ b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.18-on-yarn/Dockerfile
@@ -17,6 +17,7 @@
 
 FROM apache/streampark:ci as base-image
 FROM flink:1.18.1-scala_2.12-java8 as flink-image
+FROM eclipse-temurin:8-jdk-jammy as jdk8-image
 
 # Install streampark
 FROM sbloodys/hadoop:3.3.6
@@ -28,18 +29,7 @@ RUN sudo chown -R hadoop.hadoop /streampark \
 COPY --from=flink-image /opt/flink /flink-1.18.1
 RUN sudo chown -R hadoop.hadoop /flink-1.18.1
 
-# Install javac
-ARG TARGETPLATFORM
-RUN echo "TARGETPLATFORM: $TARGETPLATFORM"
-RUN \
-    if [ "$TARGETPLATFORM" = "linux/arm64" ];then \
-        sudo rm -f /etc/yum.repos.d/*.repo; \
-        sudo wget http://mirrors.aliyun.com/repo/Centos-altarch-7.repo -O /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo sed -i "s/http:\/\//https:\/\//g" /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    elif [ "$TARGETPLATFORM" = "linux/amd64" ];then \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    else \
-        echo "unknown TARGETPLATFORM: $TARGETPLATFORM"; \
-        exit 2;  \
-    fi
+# Bundled JDK 8 from Eclipse Temurin (avoid CentOS 7 yum mirror retirement)
+COPY --from=jdk8-image /opt/java/openjdk /usr/lib/jvm/jdk8
+ENV JAVA_HOME=/usr/lib/jvm/jdk8
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
diff --git a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.20-on-yarn/Dockerfile b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.20-on-yarn/Dockerfile
index 6b050d2203..0b886cf8b1 100644
--- a/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.20-on-yarn/Dockerfile
+++ b/streampark-e2e/streampark-e2e-case/src/test/resources/docker/flink-1.20-on-yarn/Dockerfile
@@ -17,6 +17,7 @@
 
 FROM apache/streampark:ci as base-image
 FROM flink:1.20.1-scala_2.12-java8 as flink-image
+FROM eclipse-temurin:8-jdk-jammy as jdk8-image
 
 # Install streampark
 FROM sbloodys/hadoop:3.3.6
@@ -28,18 +29,7 @@ RUN sudo chown -R hadoop.hadoop /streampark \
 COPY --from=flink-image /opt/flink /flink-1.20.1
 RUN sudo chown -R hadoop.hadoop /flink-1.20.1
 
-# Install javac
-ARG TARGETPLATFORM
-RUN echo "TARGETPLATFORM: $TARGETPLATFORM"
-RUN \
-    if [ "$TARGETPLATFORM" = "linux/arm64" ];then \
-        sudo rm -f /etc/yum.repos.d/*.repo; \
-        sudo wget http://mirrors.aliyun.com/repo/Centos-altarch-7.repo -O /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo sed -i "s/http:\/\//https:\/\//g" /etc/yum.repos.d/CentOS-Base.repo; \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    elif [ "$TARGETPLATFORM" = "linux/amd64" ];then \
-        sudo yum install -y java-1.8.0-openjdk-devel; \
-    else \
-        echo "unknown TARGETPLATFORM: $TARGETPLATFORM"; \
-        exit 2;  \
-    fi
+# Bundled JDK 8 from Eclipse Temurin (avoid CentOS 7 yum mirror retirement)
+COPY --from=jdk8-image /opt/java/openjdk /usr/lib/jvm/jdk8
+ENV JAVA_HOME=/usr/lib/jvm/jdk8
+ENV PATH="${JAVA_HOME}/bin:${PATH}"