...js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    - - - - -
capnp/rpc.c++:122: info: returning failure over rpc; exception = kj/async-io.c++:120: failed: expected result >= minBytes; Premature EOF
stack: 0x50f892 0x413890 0x413410 0x412820 0x4105c0 0x40fec0 0x40f9c0 0x4bb780
problem deleting grain t9pFfwCgANY7R3sJHvGYQc: remote exception: expected result >= minBytes; Premature EOF
Exception while invoking method 'deleteGrain' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at [object Object].Meteor.methods.deleteGrain (app/shared/grain.js:139:11)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    at packages/ddp/livedata_server.js:546:1
    - - - - -
Downloading app: http://sandstorm.io/apps/etherpad10.spk
App ready: 3b04dd588ab7dbdf5a0299838fb3230d
*** Uncaught exception ***
kj/io.c++:275: failed: miniposix::write(fd, pos, size): Operation not permitted; fd = 3
stack: 0x445d20 0x444b23 0x44197c 0x441292 0x46daf9 0x46daea 0x5143a1
capnp/rpc.c++:122: info: returning failure over rpc; exception = kj/async-io.c++:120: failed: expected result >= minBytes; Premature EOF
stack: 0x50f892 0x413890 0x413410 0x412820 0x411600 0x4bb780
Exception while invoking method 'newGrain' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at startGrainInternal (app/server/proxy.js:479:10)
    at [object Object].Meteor.methods.newGrain (app/server/proxy.js:139:5)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    - - - - -
*** Uncaught exception ***
kj/io.c++:275: failed: miniposix::write(fd, pos, size): Operation not permitted; fd = 3
stack: 0x445d20 0x444b23 0x44197c 0x441292 0x46daf9 0x46daea 0x5143a1
capnp/rpc.c++:122: info: returning failure over rpc; exception = kj/async-io.c++:120: failed: expected result >= minBytes; Premature EOF
stack: 0x50f892 0x413890 0x413410 0x412820 0x411600 0x4bb780
Exception while invoking method 'newGrain' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at startGrainInternal (app/server/proxy.js:479:10)
    at [object Object].Meteor.methods.newGrain (app/server/proxy.js:139:5)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    - - - - -
Exception while invoking method 'openSession' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at openSessionInternal (app/server/proxy.js:282:17)
    at [object Object].Meteor.methods.openSession (app/server/proxy.js:153:12)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    - - - - -
capnp/rpc.c++:122: info: returning failure over rpc; exception = kj/async-io.c++:120: failed: expected result >= minBytes; Premature EOF
stack: 0x50f892 0x413890 0x413410 0x412820 0x4105c0 0x40fec0 0x40f9c0 0x4bb780
problem deleting grain dsaG2QicusLSXEWuoy3vYJ: remote exception: expected result >= minBytes; Premature EOF
Exception while invoking method 'deleteGrain' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at [object Object].Meteor.methods.deleteGrain (app/shared/grain.js:139:11)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    at packages/ddp/livedata_server.js:546:1
    - - - - -
Exception while invoking method 'openSession' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at openSessionInternal (app/server/proxy.js:282:17)
    at [object Object].Meteor.methods.openSession (app/server/proxy.js:153:12)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    - - - - -
capnp/rpc.c++:122: info: returning failure over rpc; exception = kj/async-io.c++:120: failed: expected result >= minBytes; Premature EOF
stack: 0x50f892 0x413890 0x413410 0x412820 0x4105c0 0x40fec0 0x40f9c0 0x4bb780
problem deleting grain dqtWY22LPep2HWtzAYSwcc: remote exception: expected result >= minBytes; Premature EOF
Exception while invoking method 'deleteGrain' Error: remote exception: expected result >= minBytes; Premature EOF
    at Object.Future.wait (/programs/server/node_modules/fibers/future.js:398:15)
    at waitPromise (app/server/proxy.js:79:35)
    at [object Object].Meteor.methods.deleteGrain (app/shared/grain.js:139:11)
    at maybeAuditArgumentChecks (packages/ddp/livedata_server.js:1617:1)
    at packages/ddp/livedata_server.js:648:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/ddp/livedata_server.js:647:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at [object Object]._.extend.protocol_handlers.method (packages/ddp/livedata_server.js:646:1)
    at packages/ddp/livedata_server.js:546:1
    - - - - -
** Shutting down due to signal
** Exiting
** Starting Sandstorm at: Sat Aug 22 09:05:15 2015
** Starting back-end...
** Starting MongoDB...
note: noprealloc may hurt performance in many applications
about to fork child process, waiting until server is ready for connections.
forked process: 7
child process started successfully, parent exiting
** Back-end and Mongo started; now starting front-end...
WriteResult({ "nRemoved" : 0 })
Migrations applied: 6/6