[Linux] can't start FA from FAF : java error, wrong run directory

Hi. I installed FA from steam with proton experimental, which is a little bit different from the wiki guide.

I can start and run FA from steam with no problem (except for the video and menu that are very laggy) ; the game runs fine.

But when I start it from FAF, I get two errors :

java.lang.NullPointerException: Cannot invoke "java.lang.Process.onExit()" because "process" is null
	at com.faforever.client.game.GameService.spawnTerminationListener(GameService.java:665)
	at com.faforever.client.game.GameService.spawnTerminationListener(GameService.java:659)
	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1150)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2147)
	at reactor.core.publisher.MonoToCompletableFuture.onNext(MonoToCompletableFuture.java:64)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoCollectList$MonoCollectListSubscriber.onComplete(MonoCollectList.java:129)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:85)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:85)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onComplete(FluxPeekFuseable.java:277)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replayNormal(FluxReplay.java:602)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replay(FluxReplay.java:709)
	at reactor.core.publisher.FluxReplay$ReplayInner.request(FluxReplay.java:1711)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.request(FluxPeekFuseable.java:144)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:2194)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onSubscribe(Operators.java:2068)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onSubscribe(FluxPeekFuseable.java:178)
	at reactor.core.publisher.FluxReplay.subscribeOrReturn(FluxReplay.java:1181)
	at reactor.core.publisher.FluxReplay.subscribe(FluxReplay.java:1153)
	at reactor.core.publisher.FluxAutoConnectFuseable.subscribe(FluxAutoConnectFuseable.java:61)
	at reactor.core.publisher.Flux.subscribe(Flux.java:8526)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:82)
	at reactor.core.publisher.FluxFilterFuseable$FilterFuseableSubscriber.onComplete(FluxFilterFuseable.java:171)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableConditionalSubscriber.onComplete(FluxPeekFuseable.java:595)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replayNormal(FluxReplay.java:602)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replay(FluxReplay.java:709)
	at reactor.core.publisher.FluxReplay$ReplaySubscriber.onComplete(FluxReplay.java:1372)
	at reactor.core.publisher.SerializedSubscriber.onComplete(SerializedSubscriber.java:146)
	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onComplete(FluxRetryWhen.java:200)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onComplete(MonoFlatMapMany.java:260)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onComplete(Operators.java:2058)
	at reactor.core.publisher.FluxOnAssembly$OnAssemblySubscriber.onComplete(FluxOnAssembly.java:549)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onComplete(MonoFlatMapMany.java:260)
	at reactor.core.publisher.FluxIterable$IterableSubscription.slowPath(FluxIterable.java:294)
	at reactor.core.publisher.FluxIterable$IterableSubscription.request(FluxIterable.java:230)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onSubscribeInner(MonoFlatMapMany.java:150)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onSubscribe(MonoFlatMapMany.java:245)
	at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:165)
	at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:87)
	at reactor.core.publisher.Flux.subscribe(Flux.java:8526)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onNext(MonoFlatMapMany.java:195)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:151)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoReduce$ReduceSubscriber.onComplete(MonoReduce.java:139)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.core.publisher.FluxPeek$PeekSubscriber.onComplete(FluxPeek.java:260)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.netty.channel.FluxReceive.onInboundComplete(FluxReceive.java:400)
	at reactor.netty.channel.ChannelOperations.onInboundComplete(ChannelOperations.java:419)
	at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:473)
	at reactor.netty.http.client.HttpClientOperations.onInboundNext(HttpClientOperations.java:702)
	at reactor.netty.channel.ChannelOperationsHandler.channelRead(ChannelOperationsHandler.java:113)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:336)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:308)
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1373)
	at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1236)
	at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1285)
	at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:519)
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:458)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:280)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800)
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:499)
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.base/java.lang.Thread.run(Thread.java:833)

Not very informative, but the second one is better :

java.io.IOException: Cannot run program "~/Games/FAF/run" (in directory "/home/bouh/.faforever/bin"): error=2, Aucun fichier ou dossier de ce type
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1143)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1073)
	at com.faforever.client.fa.ForgedAllianceService.launch(ForgedAllianceService.java:151)
	at com.faforever.client.fa.ForgedAllianceService.startGameOnline(ForgedAllianceService.java:86)
	at com.faforever.client.game.GameService.lambda$startGame$41(GameService.java:624)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2147)
	at reactor.core.publisher.MonoToCompletableFuture.onNext(MonoToCompletableFuture.java:64)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoCollectList$MonoCollectListSubscriber.onComplete(MonoCollectList.java:129)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:85)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:85)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onComplete(FluxPeekFuseable.java:277)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replayNormal(FluxReplay.java:602)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replay(FluxReplay.java:709)
	at reactor.core.publisher.FluxReplay$ReplayInner.request(FluxReplay.java:1711)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.request(FluxPeekFuseable.java:144)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:2194)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onSubscribe(Operators.java:2068)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onSubscribe(FluxPeekFuseable.java:178)
	at reactor.core.publisher.FluxReplay.subscribeOrReturn(FluxReplay.java:1181)
	at reactor.core.publisher.FluxReplay.subscribe(FluxReplay.java:1153)
	at reactor.core.publisher.FluxAutoConnectFuseable.subscribe(FluxAutoConnectFuseable.java:61)
	at reactor.core.publisher.Flux.subscribe(Flux.java:8526)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:82)
	at reactor.core.publisher.FluxFilterFuseable$FilterFuseableSubscriber.onComplete(FluxFilterFuseable.java:171)
	at reactor.core.publisher.FluxPeekFuseable$PeekFuseableConditionalSubscriber.onComplete(FluxPeekFuseable.java:595)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replayNormal(FluxReplay.java:602)
	at reactor.core.publisher.FluxReplay$UnboundedReplayBuffer.replay(FluxReplay.java:709)
	at reactor.core.publisher.FluxReplay$ReplaySubscriber.onComplete(FluxReplay.java:1372)
	at reactor.core.publisher.SerializedSubscriber.onComplete(SerializedSubscriber.java:146)
	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onComplete(FluxRetryWhen.java:200)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onComplete(MonoFlatMapMany.java:260)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onComplete(Operators.java:2058)
	at reactor.core.publisher.FluxOnAssembly$OnAssemblySubscriber.onComplete(FluxOnAssembly.java:549)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onComplete(MonoFlatMapMany.java:260)
	at reactor.core.publisher.FluxIterable$IterableSubscription.slowPath(FluxIterable.java:294)
	at reactor.core.publisher.FluxIterable$IterableSubscription.request(FluxIterable.java:230)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onSubscribeInner(MonoFlatMapMany.java:150)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyInner.onSubscribe(MonoFlatMapMany.java:245)
	at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:165)
	at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:87)
	at reactor.core.publisher.Flux.subscribe(Flux.java:8526)
	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onNext(MonoFlatMapMany.java:195)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:151)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1816)
	at reactor.core.publisher.MonoReduce$ReduceSubscriber.onComplete(MonoReduce.java:139)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.core.publisher.FluxPeek$PeekSubscriber.onComplete(FluxPeek.java:260)
	at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144)
	at reactor.netty.channel.FluxReceive.onInboundComplete(FluxReceive.java:400)
	at reactor.netty.channel.ChannelOperations.onInboundComplete(ChannelOperations.java:419)
	at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:473)
	at reactor.netty.http.client.HttpClientOperations.onInboundNext(HttpClientOperations.java:702)
	at reactor.netty.channel.ChannelOperationsHandler.channelRead(ChannelOperationsHandler.java:113)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:336)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:308)
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1373)
	at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1236)
	at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1285)
	at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:519)
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:458)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:280)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800)
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:499)
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.io.IOException: error=2, Aucun fichier ou dossier de ce type
	at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
	at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:314)
	at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:244)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1110)
	... 87 more

The important line is here :

Client Version: 2022.11.0
java.io.IOException: Cannot run program "~/Games/FAF/run" (in directory "/home/bouh/.faforever/bin"): error=2, Aucun fichier ou dossier de ce type

I think the run directory is wrong, but I don't know which directory it should be. Can anyone help me with this ?