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Watcher took too long to load error message #51

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mrscobbler opened this issue Feb 8, 2015 · 7 comments
Closed

Watcher took too long to load error message #51

mrscobbler opened this issue Feb 8, 2015 · 7 comments
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Resolution: Locked This issue was locked by the bot.

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@mrscobbler
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I followed the instructions in the readme but when I run npm start I get this error message:

[Error: Watcher took too long to load.]
Error: Watcher took too long to load.
at null._onTimeout (/Users/mrscobbler/Projects/react-native/packager/react-packager/src/FileWatcher/index.js:37:16)
at Timer.listOnTimeout as ontimeout

ERROR: could not create packager - please shut down any existing instances that are already running.

I don't think I have any other existing instances running (as far as I know). I installed Watchman. When I run which watchman I see this: /usr/local/bin/watchman

Any ideas on what could be wrong?
@amasad
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amasad commented Feb 8, 2015

Can you restart your computer and try again?
Sometimes fseventsd on OSX gets into a bad state which can be solved by restarting. If that didn't work please bump the timeout we have in react-packager FileWatcher.js, maybe we need a longer one.

Let me know if either of those work.

@mrscobbler
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I restarted my computer and tried running npm start again, without any luck. I also changed MAX_WAIT_TIME = 30000; in the react-packager/src/FileWatcher/index.js file and didn't have any luck with that either.

When I ran npm install this is the output I got:
npm WARN package.json punycode@1.2.4 punycode is also the name of a node core module.
npm WARN package.json stacktrace-parser@0.1.1 No repository field.
npm WARN prefer global npm@2.5.0 should be installed with -g

So I ran npm install -g. I'm not sure if that makes a difference or not.

@vjeux
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vjeux commented Feb 8, 2015

Oh, maybe this is the same error as another issue. Did you happen to have typed

npm install npm start

by chance? If yes, can you do

rm -Rf node_modules

and do

npm install

@mrscobbler
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Oh yes, I did type that. I did the rm -Rf node_modules and npm install, but I'm still seeing the watcher error happening. When I run the simulator, the app loads, and a red screen appears. This is what the terminal has:

Error: Watcher took too long to load.
at null._onTimeout (/Users/mrscobbler/Projects/react-native/packager/react-packager/src/FileWatcher/index.js:37:16)
at Timer.listOnTimeout as ontimeout
[15:02:49] request:/Examples/Movies/MoviesApp.includeRequire.runModule.bundle

@mrscobbler
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Ok I think I fixed my problem! I had installed watchman on my computer and then upgraded my computer to Yosemite so I could get the latest version of Xcode. I uninstalled watchman and then reinstalled it. That fixed the problem. I'm guessing the version of watchman I had didn't work with Yosemite? Thanks for the help!

@frantic
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frantic commented Feb 9, 2015

Awesome! @amasad I think it would be nice to add something like "try running watchman from your terminal" to the "Watcher took too long to load" error message, because it can give more details about what's wrong.

@mrscobbler
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I think that would help. Thanks again!

dustturtle added a commit to dustturtle/react-native that referenced this issue Jul 6, 2016
@dustturtle
JSONKit usage here may cause serious crash hard to debug(I found the …
bcfb4b4 
…crash on simulator, on device I got nothing but app freezed)!

My app has an old version of JSONKit which is still using MRC. I think JSONKit is not needed if system version is available. Kicking out of JSONKit will make react native stronger.
Crash stack:
* thread facebook#11: tid = 0xbd672f, 0x000000010a10edeb imobii-waiqin`jk_encode_add_atom_to_buffer(encodeState=0x00007f9b820a1000, objectPtr=22 key/value pairs) + 16971 at JSONKit.m:2807, name = 'com.facebook.React.JavaScript', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
    frame #0: 0x000000010a10edeb imobii-waiqin`jk_encode_add_atom_to_buffer(encodeState=0x00007f9b820a1000, objectPtr=22 key/value pairs) + 16971 at JSONKit.m:2807
    frame facebook#1: 0x000000010a10ef67 imobii-waiqin`jk_encode_add_atom_to_buffer(encodeState=0x00007f9b820a1000, objectPtr=2 key/value pairs) + 17351 at JSONKit.m:2811
    frame facebook#2: 0x000000010a10ef67 imobii-waiqin`jk_encode_add_atom_to_buffer(encodeState=0x00007f9b820a1000, objectPtr=25 key/value pairs) + 17351 at JSONKit.m:2811
    frame facebook#3: 0x000000010a10e768 imobii-waiqin`jk_encode_add_atom_to_buffer(encodeState=0x00007f9b820a1000, objectPtr=@"3 elements") + 15304 at JSONKit.m:2778
  * frame facebook#4: 0x000000010a10a26a imobii-waiqin`-[JKSerializer serializeObject:options:encodeOption:block:delegate:selector:error:](self=0x00007f9b831fbc80, _cmd="serializeObject:options:encodeOption:block:delegate:selector:error:", object=@"3 elements", optionFlags=0, encodeOption=10, block=0x0000000000000000, delegate=0x0000000000000000, selector=<no value available>, error=domain: class name = NSInvocation - code: 0) + 2250 at JSONKit.m:2876
    frame facebook#5: 0x000000010a109992 imobii-waiqin`+[JKSerializer serializeObject:options:encodeOption:block:delegate:selector:error:](self=JKSerializer, _cmd="serializeObject:options:encodeOption:block:delegate:selector:error:", object=@"3 elements", optionFlags=0, encodeOption=10, block=0x0000000000000000, delegate=0x0000000000000000, selector=<no value available>, error=domain: class name = NSInvocation - code: 0) + 178 at JSONKit.m:2831
    frame facebook#6: 0x000000010a10f700 imobii-waiqin`-[NSArray(self=@"3 elements", _cmd="JSONStringWithOptions:error:", serializeOptions=0, error=domain: class name = NSInvocation - code: 0) JSONStringWithOptions:error:] + 112 at JSONKit.m:2985
    frame facebook#7: 0x000000010ac13c02 imobii-waiqin`_RCTJSONStringifyNoRetry(jsonObject=@"3 elements", error=domain: class name = NSInvocation - code: 0) + 338 at RCTUtils.m:49
    frame facebook#8: 0x000000010ac13990 imobii-waiqin`RCTJSONStringify(jsonObject=@"3 elements", error=0x0000000000000000) + 128 at RCTUtils.m:77
    frame facebook#9: 0x000000010ab5fdfa imobii-waiqin`__27-[RCTContextExecutor setUp]_block_invoke_2(.block_descriptor=<unavailable>, moduleName=@"UIManager") + 218 at RCTContextExecutor.m:363
    frame facebook#10: 0x00000001134495cc CoreFoundation`__invoking___ + 140
    frame facebook#11: 0x000000011344941e CoreFoundation`-[NSInvocation invoke] + 286
    frame facebook#12: 0x000000010db13db3 JavaScriptCore`JSC::ObjCCallbackFunctionImpl::call(JSContext*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 451
    frame facebook#13: 0x000000010db13926 JavaScriptCore`JSC::objCCallbackFunctionCallAsFunction(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 262
    frame facebook#14: 0x000000010db14bad JavaScriptCore`long long JSC::APICallbackFunction::call<JSC::ObjCCallbackFunction>(JSC::ExecState*) + 573
    frame facebook#15: 0x000000010dade340 JavaScriptCore`JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) + 528
    frame facebook#16: 0x000000010dae535d JavaScriptCore`llint_entry + 22900
    frame facebook#17: 0x000000010dadf7d9 JavaScriptCore`vmEntryToJavaScript + 326
    frame facebook#18: 0x000000010d9b1959 JavaScriptCore`JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169
    frame facebook#19: 0x000000010d9985ad JavaScriptCore`JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 493
    frame facebook#20: 0x000000010d76cb7e JavaScriptCore`JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 62
    frame facebook#21: 0x000000010d929a55 JavaScriptCore`JSC::callGetter(JSC::ExecState*, JSC::JSValue, JSC::JSValue) + 149
    frame facebook#22: 0x000000010dad49fb JavaScriptCore`llint_slow_path_get_by_id + 2203
    frame facebook#23: 0x000000010dae22f0 JavaScriptCore`llint_entry + 10503
    frame facebook#24: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#25: 0x000000010dae52fd JavaScriptCore`llint_entry + 22804
    frame facebook#26: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#27: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#28: 0x000000010dae52fd JavaScriptCore`llint_entry + 22804
    frame facebook#29: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#30: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#31: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#32: 0x000000010dae552a JavaScriptCore`llint_entry + 23361
    frame facebook#33: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#34: 0x000000010dae5368 JavaScriptCore`llint_entry + 22911
    frame facebook#35: 0x000000010dadf7d9 JavaScriptCore`vmEntryToJavaScript + 326
    frame facebook#36: 0x000000010d9b1959 JavaScriptCore`JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169
    frame facebook#37: 0x000000010d998264 JavaScriptCore`JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) + 10404
    frame facebook#38: 0x000000010d7a8786 JavaScriptCore`JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 470
    frame facebook#39: 0x000000010d9f6fb8 JavaScriptCore`JSEvaluateScript + 424
    frame facebook#40: 0x000000010ab6379e imobii-waiqin`__68-[RCTContextExecutor executeApplicationScript:sourceURL:onComplete:]_block_invoke.264(.block_descriptor=<unavailable>) + 414 at RCTContextExecutor.m:589
    frame facebook#41: 0x000000010ab63262 imobii-waiqin`__68-[RCTContextExecutor executeApplicationScript:sourceURL:onComplete:]_block_invoke(.block_descriptor=<unavailable>) + 498 at RCTContextExecutor.m:589
    frame facebook#42: 0x000000010ab63df8 imobii-waiqin`-[RCTContextExecutor executeBlockOnJavaScriptQueue:](self=0x00007f9b832f6040, _cmd="executeBlockOnJavaScriptQueue:", block=0x00007f9b80c92970) + 248 at RCTContextExecutor.m:627
    frame facebook#43: 0x000000010eb1d7a7 Foundation`__NSThreadPerformPerform + 283
    frame facebook#44: 0x0000000113486301 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    frame facebook#45: 0x000000011347c22c CoreFoundation`__CFRunLoopDoSources0 + 556
    frame facebook#46: 0x000000011347b6e3 CoreFoundation`__CFRunLoopRun + 867
    frame facebook#47: 0x000000011347b0f8 CoreFoundation`CFRunLoopRunSpecific + 488
    frame facebook#48: 0x000000010ab5e41b imobii-waiqin`+[RCTContextExecutor runRunLoopThread](self=RCTContextExecutor, _cmd="runRunLoopThread") + 363 at RCTContextExecutor.m:284
    frame facebook#49: 0x000000010ebc012b Foundation`__NSThread__start__ + 1198
    frame facebook#50: 0x00000001140869b1 libsystem_pthread.dylib`_pthread_body + 131
    frame facebook#51: 0x000000011408692e libsystem_pthread.dylib`_pthread_start + 168
    frame facebook#52: 0x0000000114084385 libsystem_pthread.dylib`thread_start + 13
@facebook facebook locked as resolved and limited conversation to collaborators May 29, 2018
@react-native-bot react-native-bot added the Resolution: Locked This issue was locked by the bot. label Jul 23, 2018
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@frantic @vjeux @amasad @mrscobbler @react-native-bot