java works in ptrace mode but not preload mode #2094
Description
From #2084.
The following simulation works in ptrace mode, but not in preload mode:
general:
stop_time: 15s
network:
graph:
type: 1_gbit_switch
hosts:
h1:
network_node_id: 0
ip_addr: "11.0.0.1"
processes:
- path: /usr/bin/java
args: --version
Natively:
$ java --version
openjdk 16.0.1 2021-04-20
OpenJDK Runtime Environment (build 16.0.1+9-Ubuntu-120.04)
OpenJDK 64-Bit Server VM (build 16.0.1+9-Ubuntu-120.04, mixed mode, sharing)
ptrace mode:
$ rm -rf shadow.data && shadow --interpose-method=ptrace --log-level=debug java.yaml
...
** Shadow completed successfully
$ cat shadow.data/hosts/h1/h1.java.1000.stderr
OpenJDK 64-Bit Server VM warning: No monotonic clock was available - timed services may be adversely affected if the time-of-day clock changes
OpenJDK 64-Bit Server VM warning: sched_getaffinity failed (Function not supported)- using online processor count (12) which may exceed available processors
$ cat shadow.data/hosts/h1/h1.java.1000.stdout
openjdk 16.0.1 2021-04-20
OpenJDK Runtime Environment (build 16.0.1+9-Ubuntu-120.04)
OpenJDK 64-Bit Server VM (build 16.0.1+9-Ubuntu-120.04, mixed mode, sharing)
preload mode:
$ rm -rf shadow.data && shadow --interpose-method=preload --log-level=debug java.yaml
...
** Shadow did not complete successfully: Controller exited with code -1
$ cat shadow.data/hosts/h1/h1.java.1000.stderr
OpenJDK 64-Bit Server VM warning: No monotonic clock was available - timed services may be adversely affected if the time-of-day clock changes
OpenJDK 64-Bit Server VM warning: sched_getaffinity failed (Function not supported)- using online processor count (12) which may exceed available processors
$ cat shadow.data/hosts/h1/h1.java.1000.stdout
$ cat shadow.data/hosts/h1/h1.java.1000.exitcode
139