Install Ops Manager 7.0 on RedHat 9.3 - blank home page

check the port 8080 is listening
the connection to backingdb is ok and some documents are created

mm0.log is normal
2024-06-05T08:51:06.410+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetGc:113] - Garbage collector activity. 0.0% of last 60000ms was spent in G1 Old Generation GC activity.
2024-06-05T08:51:06.411+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetCpuLoadAvg:69] - System 5min load average observed of 0.6 with 8.0 available CPU cores on this machine.
2024-06-05T08:51:19.666+0000 [DeploymentDiscoverySvcDeploymentRefresher-0] INFO com.xgen.svc.mms.svc.admin.DeploymentDiscoverySvc [DeploymentDiscoverySvc.java:discoverReplicaSet:429] - Completed discovery for replica set rsBackingDB
2024-06-05T08:52:06.409+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetGc:113] - Garbage collector activity. 0.0% of last 60000ms was spent in G1 Young Generation GC activity.
2024-06-05T08:52:06.410+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetGc:113] - Garbage collector activity. 0.0% of last 60000ms was spent in G1 Old Generation GC activity.
2024-06-05T08:52:06.411+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetCpuLoadAvg:69] - System 5min load average observed of 0.6 with 8.0 available CPU cores on this machine.
2024-06-05T08:52:19.662+0000 [DeploymentDiscoverySvcDeploymentRefresher-0] INFO com.xgen.svc.mms.svc.admin.DeploymentDiscoverySvc [DeploymentDiscoverySvc.java:discoverReplicaSet:429] - Completed discovery for replica set rsBackingDB
2024-06-05T08:53:06.409+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetGc:113] - Garbage collector activity. 0.0% of last 60000ms was spent in G1 Young Generation GC activity.
2024-06-05T08:53:06.410+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetGc:113] - Garbage collector activity. 0.0% of last 60000ms was spent in G1 Old Generation GC activity.
2024-06-05T08:53:06.411+0000 [DiagnosticsSvc-0] INFO com.xgen.cloud.common.metrics._public.svc.DiagnosticsSvc [DiagnosticsSvc.java:checkAndSetCpuLoadAvg:69] - System 5min load average observed of 0.6 with 8.0 available CPU cores on this machine.
2024-06-05T08:53:19.665+0000 [DeploymentDiscoverySvcDeploymentRefresher-0] INFO com.xgen.svc.mms.svc.admin.DeploymentDiscoverySvc [DeploymentDiscoverySvc.java:discoverReplicaSet:429] - Completed discovery for replica set rsBackingDB