diff --git a/.github/workflows/ci-auth-checks.yml b/.github/workflows/ci-auth-checks.yml
index 7c5b7a50..0541a462 100644
--- a/.github/workflows/ci-auth-checks.yml
+++ b/.github/workflows/ci-auth-checks.yml
@@ -13,13 +13,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Login SN docker hub
-        if: github.actor == 'streamnativebot'
         run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
       - name: Run token tests
         run: scripts/run-integration-tests.sh token
         env:
-          PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+          PULSAR_IMAGE: snstage/pulsar-all
       - name: Run TLS tests
         run: scripts/run-integration-tests.sh tls
         env:
-          PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+          PULSAR_IMAGE: snstage/pulsar-all
diff --git a/.github/workflows/ci-checks.yml b/.github/workflows/ci-checks.yml
index fca8ca51..c10318f2 100644
--- a/.github/workflows/ci-checks.yml
+++ b/.github/workflows/ci-checks.yml
@@ -12,10 +12,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Login SN docker hub
-      if: github.actor == 'streamnativebot'
       run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
     - uses: actions/checkout@v2
     - name: Run tests
       run: scripts/run-integration-tests.sh
       env:
-        PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+        PULSAR_IMAGE: snstage/pulsar-all
diff --git a/.github/workflows/ci-functions-checks.yml b/.github/workflows/ci-functions-checks.yml
index c3333b00..d4199c01 100644
--- a/.github/workflows/ci-functions-checks.yml
+++ b/.github/workflows/ci-functions-checks.yml
@@ -12,7 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Login SN docker hub
-      if: github.actor == 'streamnativebot'
       run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
     - name: Set up Go 1.25.9
       uses: actions/setup-go@v6
@@ -24,7 +23,7 @@ jobs:
     - name: Function tests
       run: scripts/run-integration-tests.sh function
       env:
-        PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+        PULSAR_IMAGE: snstage/pulsar-all
     - name: Setup tmate session
       if: failure()
       uses: mxschmitt/action-tmate@v3
@@ -32,7 +31,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login SN docker hub
-        if: github.actor == 'streamnativebot'
         run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
       - name: Set up Go 1.25.9
         uses: actions/setup-go@v6
@@ -44,12 +42,11 @@ jobs:
       - name: Sink tests
         run: scripts/run-integration-tests.sh sink
         env:
-          PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+          PULSAR_IMAGE: snstage/pulsar-all
   source-tests:
     runs-on: ubuntu-latest
     steps:
       - name: Login SN docker hub
-        if: github.actor == 'streamnativebot'
         run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
       - name: Set up Go 1.25.9
         uses: actions/setup-go@v6
@@ -61,4 +58,4 @@ jobs:
       - name: Source tests
         run: scripts/run-integration-tests.sh source
         env:
-          PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+          PULSAR_IMAGE: snstage/pulsar-all
diff --git a/.github/workflows/ci-install-script-checks.yml b/.github/workflows/ci-install-script-checks.yml
index 3bba5276..aba93c6a 100644
--- a/.github/workflows/ci-install-script-checks.yml
+++ b/.github/workflows/ci-install-script-checks.yml
@@ -11,7 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Login SN docker hub
-      if: github.actor == 'streamnativebot'
       run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
diff --git a/.github/workflows/ci-packages-checks.yml b/.github/workflows/ci-packages-checks.yml
index c2b69b9c..3b7277d5 100644
--- a/.github/workflows/ci-packages-checks.yml
+++ b/.github/workflows/ci-packages-checks.yml
@@ -12,7 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Login SN docker hub
-        if: github.actor == 'streamnativebot'
         run: docker login -u="${{ secrets.DOCKER_USER }}" -p="${{ secrets.DOCKER_PASSWORD}}"
       - name: Set up Go 1.25.9
         uses: actions/setup-go@v5
@@ -24,7 +23,7 @@ jobs:
       - name: Packages tests
         run: scripts/run-integration-tests.sh packages
         env:
-          PULSAR_IMAGE: ${{ github.actor == 'streamnativebot' && 'snstage/pulsar-all' || 'apachepulsar/pulsar-all' }}
+          PULSAR_IMAGE: snstage/pulsar-all
       - name: Setup tmate session
         if: failure()
         uses: mxschmitt/action-tmate@v3
diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
index 629f4ebb..2a229a2d 100755
--- a/scripts/entrypoint.sh
+++ b/scripts/entrypoint.sh
@@ -5,6 +5,31 @@ set -e
 readonly PULSARCTL_HOME=${PULSARCTL_HOME:-"/pulsarctl"}
 readonly TEST_ARGS=${TEST_ARGS:-""}
 
+function ensureJavaInPath() {
+    if command -v java >/dev/null 2>&1; then
+        return
+    fi
+
+    for dir in \
+        /opt/jvm/bin \
+        /opt/java/openjdk/bin \
+        /usr/local/openjdk-17/bin \
+        /usr/local/openjdk-11/bin \
+        /usr/lib/jvm/default-jvm/bin \
+        /usr/lib/jvm/java-17-openjdk/bin \
+        /usr/lib/jvm/java-11-openjdk/bin
+    do
+        if [[ -x "${dir}/java" ]]; then
+            export PATH="${dir}:${PATH}"
+            export JAVA_HOME="${dir%/bin}"
+            return
+        fi
+    done
+
+    echo "java executable not found in PATH or common JDK locations"
+    exit 1
+}
+
 function checkFunctionWorker() {
     failed=0
     until curl --silent localhost:8080/admin/v2/persistent/public/functions/coordinate/stats; do
@@ -20,6 +45,7 @@ function checkFunctionWorker() {
 }
 
 pushd ${PULSARCTL_HOME}
+ensureJavaInPath
 # startup pulsar service
 scripts/pulsar-service-startup.sh
 
diff --git a/scripts/run-integration-tests.sh b/scripts/run-integration-tests.sh
index 9d60043e..e0c5a3c7 100755
--- a/scripts/run-integration-tests.sh
+++ b/scripts/run-integration-tests.sh
@@ -3,7 +3,7 @@ set -e
 
 readonly PROJECT_ROOT=`cd $(dirname $0)/..; pwd`
 readonly IMAGE_NAME=pulsarctl-test
-readonly PULSAR_DEFAULT_VERSION="4.1.3"
+readonly PULSAR_DEFAULT_VERSION="4.3.0-SNAPSHOT"
 readonly PULSAR_VERSION=${PULSAR_VERSION:-${PULSAR_DEFAULT_VERSION}}
 readonly PULSAR_IMAGE=${PULSAR_IMAGE:-"apachepulsar/pulsar-all"}