diff --git a/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmErgonomics.java b/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmErgonomics.java
index 46e3da3ced90b..b8409adacd57a 100644
--- a/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmErgonomics.java
+++ b/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmErgonomics.java
@@ -66,13 +66,17 @@ static boolean tuneG1GCForSmallHeap(final long heapSize) {
     static boolean tuneG1GCHeapRegion(final Map<String, JvmOption> finalJvmOptions, final boolean tuneG1GCForSmallHeap) {
         JvmOption g1GCHeapRegion = finalJvmOptions.get("G1HeapRegionSize");
         JvmOption g1GC = finalJvmOptions.get("UseG1GC");
-        return (tuneG1GCForSmallHeap && g1GC.getMandatoryValue().equals("true") && g1GCHeapRegion.isCommandLineOrigin() == false);
+        return (tuneG1GCForSmallHeap
+            && g1GC != null
+            && g1GC.getMandatoryValue().equals("true")
+            && g1GCHeapRegion != null
+            && g1GCHeapRegion.isCommandLineOrigin() == false);
     }
 
     static int tuneG1GCReservePercent(final Map<String, JvmOption> finalJvmOptions, final boolean tuneG1GCForSmallHeap) {
         JvmOption g1GC = finalJvmOptions.get("UseG1GC");
         JvmOption g1GCReservePercent = finalJvmOptions.get("G1ReservePercent");
-        if (g1GC.getMandatoryValue().equals("true")) {
+        if (g1GC != null && g1GC.getMandatoryValue().equals("true") && g1GCReservePercent != null) {
             if (g1GCReservePercent.isCommandLineOrigin() == false && tuneG1GCForSmallHeap) {
                 return 15;
             } else if (g1GCReservePercent.isCommandLineOrigin() == false && tuneG1GCForSmallHeap == false) {
@@ -85,7 +89,10 @@ static int tuneG1GCReservePercent(final Map<String, JvmOption> finalJvmOptions,
     static boolean tuneG1GCInitiatingHeapOccupancyPercent(final Map<String, JvmOption> finalJvmOptions) {
         JvmOption g1GC = finalJvmOptions.get("UseG1GC");
         JvmOption g1GCInitiatingHeapOccupancyPercent = finalJvmOptions.get("InitiatingHeapOccupancyPercent");
-        return g1GCInitiatingHeapOccupancyPercent.isCommandLineOrigin() == false && g1GC.getMandatoryValue().equals("true");
+        return g1GCInitiatingHeapOccupancyPercent != null
+            && g1GCInitiatingHeapOccupancyPercent.isCommandLineOrigin() == false
+            && g1GC != null
+            && g1GC.getMandatoryValue().equals("true");
     }
 
     private static final Pattern SYSTEM_PROPERTY = Pattern.compile("^-D(?<key>[\\w+].*?)=(?<value>.*)$");
diff --git a/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmOption.java b/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmOption.java
index 39bf2e54dade0..021eba2d3c24c 100644
--- a/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmOption.java
+++ b/distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/JvmOption.java
@@ -42,7 +42,7 @@ public String getMandatoryValue() {
     }
 
     public boolean isCommandLineOrigin() {
-        return this.origin.contains("command line");
+        return this.origin != null && this.origin.contains("command line");
     }
 
     private static final Pattern OPTION = Pattern.compile(
diff --git a/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmErgonomicsTests.java b/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmErgonomicsTests.java
index f68a51de85c2a..fe48513a765c2 100644
--- a/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmErgonomicsTests.java
+++ b/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmErgonomicsTests.java
@@ -179,4 +179,19 @@ public void testMaxDirectMemorySizeChoiceWhenSet() throws Exception {
         );
     }
 
+    public void testTuneG1GCHeapRegionWithEmptyFinalJvmOptionsReturnsFalse() {
+        Map<String, JvmOption> finalJvmOptions = new HashMap<>();
+        assertFalse(JvmErgonomics.tuneG1GCHeapRegion(finalJvmOptions, true));
+    }
+
+    public void testTuneG1GCReservePercentWithEmptyFinalJvmOptionsReturnsZero() {
+        Map<String, JvmOption> finalJvmOptions = new HashMap<>();
+        assertEquals(JvmErgonomics.tuneG1GCReservePercent(finalJvmOptions, true), 0);
+    }
+
+    public void testTuneG1GCInitiatingHeapOccupancyPercentWithEmptyFinalJvmOptionsReturnsFalse() {
+        Map<String, JvmOption> finalJvmOptions = new HashMap<>();
+        assertFalse(JvmErgonomics.tuneG1GCInitiatingHeapOccupancyPercent(finalJvmOptions));
+    }
+
 }
diff --git a/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmOptionsParserTests.java b/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmOptionsParserTests.java
index 5d63f29ac584e..1ce46ab40e87f 100644
--- a/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmOptionsParserTests.java
+++ b/distribution/tools/server-cli/src/test/java/org/elasticsearch/server/cli/JvmOptionsParserTests.java
@@ -344,4 +344,9 @@ public void accept(final int lineNumber, final String line) {
         assertThat(seenInvalidLines, equalTo(invalidLines));
     }
 
+    public void testIsCommandLineOriginWithNullOriginReturnsFalse() {
+        JvmOption jvmOption = new JvmOption("value", null);
+        assertFalse(jvmOption.isCommandLineOrigin());
+    }
+
 }
diff --git a/docs/changelog/93197.yaml b/docs/changelog/93197.yaml
new file mode 100644
index 0000000000000..3d9f6a8971292
--- /dev/null
+++ b/docs/changelog/93197.yaml
@@ -0,0 +1,6 @@
+pr: 93197
+summary: Add null check for G1 related options and origin field. This change avoids NPE when starting Elasticsearch on the Azul Platform Prime JDK.
+area: Infra/Settings
+type: bug
+issues:
+ - 91577