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IDProjectCategoryView StatusDate SubmittedLast Update
0001959Industrial-Craft²E-Net, cabling, storage/transformer blockspublic2016-08-05 18:372017-04-11 18:02
Assigned ToAroma1997 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0001959: Cables Not Connecting/Loading
DescriptionWhen I leave my server and rejoin, randomly the cables all separate to single cables not connecting to anything.
Steps To ReproduceThis is on my server havn't tried in smp.
Additional InformationIn FTB Unstable 4.2.4
TagsNo tags attached.
Minecraft Version1.10.2
Attached Filespng file icon 2016-08-05_12.36.27.png [^] (697,299 bytes) 2016-08-05 18:37
txt file icon IC2 - forge-1.10.2- - Server Readout When Cables Disconnected.txt [^] (13,397 bytes) 2016-08-13 04:56 [Show Content]
log file icon fml-client-latest.log [^] (224,929 bytes) 2016-10-06 15:24
png file icon 2017-02-18_22.26.11.png [^] (867,184 bytes) 2017-02-18 22:33
7z file icon neograymatter_logs.7z [^] (847,522 bytes) 2017-03-12 16:23
zip file icon [^] (1,386,792 bytes) 2017-03-18 17:32

- Relationships
has duplicate 0002014new Batbox, CESU, MFSU, etc. ceases to function when chunk is not loaded 
has duplicate 0002027closedPlayer Cables and maschines don't input or output energy, after a chunk was unloaded and loaded again! 
has duplicate 0002135new Break wires when teleporting in bottom world 
related to 0002037new Transformer with mode selected become unconnected to adjacent cable after reenterring world 

-  Notes
Pallitax (reporter)
2016-08-12 11:19

is in SP, too. To Reproduce: go to nether, leave nether. Cables are not connected. To Resolve: reload world.
sainato (reporter)
2016-08-15 04:54

Seems to happen on a per chunk basis, my workshop spans 3 chunks and one chunk will be randomly disconnected like in (2016-08-05_12.36.27.png).
thumperbunny (reporter)
2016-08-30 12:27

Also happens in SMP. Once a player enters the nether for the first time in the world this problem occurs every time there are 0 players on the server. When logging back in all cables appear unconnected.
sainato (reporter)
2016-09-02 06:37

Found a workaround using chunk loaders. The cables within the chunk loaded chunks will stay connected.
calvss (reporter)
2016-09-09 05:54
edited on: 2016-09-09 07:05

Happens also in SMP when all players logout while the server is still running. Upon return of any player, some cables are disconnected from each other, but not all. Possibly on a per chunk basis.

Occasional reports from players that the cables continue to function as normal despite cosmetic disconnection.

mods used on Minecraft 1.10 client (all clients have the same setup; it's a small server):
IC2-2-2.6.49-ex110; forge-1.10-; OptiFine_1.10_HD_U_C1; jei_1.10-

mods used on Minecraft 1.10 server: industrialcraft-2-2.6.49-ex110

EDIT: bug persists on IC2 experimental version 60

calvss (reporter)
2016-09-09 07:53

Additional info: This bug affects all e-net blocks, too. I had to replace all my machines and batboxes to get them to attach to the cables.
Aroma1997 (developer)
2016-10-05 22:46

Should be fixed in the new build.
MauveCloud (reporter)
2016-10-05 22:55

With build 84, this seems to be fixed, at least in single-player. Dunno about server/smp.
inucune (reporter)
2016-10-06 02:44

Tested on server
Log off/log on: PASS
Travel to nether and return: PASS

*Gold Star*
amitarvind (reporter)
2016-10-06 03:11
edited on: 2016-10-06 15:22

Save and exit: PASS
Enter/Exit Nether: PASS
Still connected to transformer: FAIL

Not sure if it's related or not. Could be like spieger suggests and it's the instant update to the transformer block.

EDIT: I take that back. Tested on another machine, the transformer break didn't happen, but the nether break did. Also, it caused my sorting machine to blow up (which had 3 trans upgrades in it.)
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: java.lang.NullPointerException
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.NativeMethodAccessorImpl.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at java.lang.reflect.Method.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at Reflector.callBoolean(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.renderer.entity.RenderManager.func_180597_a(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.renderer.RenderGlobal.func_180446_a(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.renderer.EntityRenderer.func_175068_a(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.renderer.EntityRenderer.func_78471_a(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.renderer.EntityRenderer.func_181560_a(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.Minecraft.func_71411_J(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.Minecraft.func_99999_d(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.client.main.Main.main(SourceFile:124)
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.NativeMethodAccessorImpl.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at java.lang.reflect.Method.invoke(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.launchwrapper.Launch.launch(
[07:08:17] [Client thread/INFO] [STDERR/]: [Reflector:handleException:932]: at net.minecraft.launchwrapper.Launch.main(

inucune (reporter)
2016-10-07 02:13

Can confirm transformer bug.

Also EU splitters are affected as well.

My transformer is also taking in 128 and outputting 128(MVT)
mister-man (reporter)
2016-10-07 13:17

I testet "Build 0000084 (05.10.2016 08:28:21)", and optical the wire connecting. But no power flows over the cable, after you leave the server in a not loaded chunck.
mister-man (reporter)
2016-10-12 09:45
edited on: 2016-10-12 09:46


if you break the cables that doesn't connect or if u try to use a machine in the crafting, you can't craft with them. But if you place the cable or the machine again, und break it again for crafting, it works.

Same for the machine itself. If you replace all cables and machine's it works until the last player leave the chunk.

Testet in Build 85 (08.10.2016 11:43:41).

MauveCloud (reporter)
2016-10-17 04:10

I might have spoken too soon about it being fixed in single-player. In one of my worlds, it seems to work okay, but in a newer world with a somewhat different setup and location for my base, it's less reliable. Sometimes when I come back from the Nether, things are still connected, but other times, my Forestry Electrial Engines have lost their connections to the IC2 cables, or the IC2 cables have lost their connection to each other, until I exit to the main menu and go back in. I'm using build 87 now, and some additional mods and updates to other mods, but it's the same MultiMC instance, and my old world still seems reliable, but the new one strangely isn't.
MauveCloud (reporter)
2017-01-25 23:30
edited on: 2017-01-25 23:53

New observation, using build 161 (in case it matters) in single player: twice, when I visited the Nether to restock lava for my Geothermal generator while I had machines running, I came back to find things disconnected. However, when I did so with nothing running, my cables were still connected when I came back. Haven't tested enough yet to say whether this works as a rule for determining whether the cables will stay connected.

Edit: nope, not reliable. Suddenly, my wires stopped disconnecting upon returning from the Nether (whether I had machines running or not), for no obvious reason. Thus the issue could easily come back later.

The_Fireplace (reporter)
2017-01-30 05:23
edited on: 2017-01-30 05:23

Hey, I am having this issue in my Single Player world with IC2 2.6.142-ex110. I found the following in my FML logs, which may help pinpoint the problem. [^]

ultrapotassium (reporter)
2017-01-31 23:50

Happens to me as well in SMP server: [^]

Every time it's happened, no one else has been on the server.

Unfortunately the server runs other mods as well, I'll try to reproduce with just IC2 if that would help.
Other mods running:
AnoBit (reporter)
2017-02-18 22:37

I just added a picture (2017-02-18_22.26.11.png) from my world. (Own hosted server)

I experienced the same issue as the others with cables and machines being broken. When the marked cable is there, all cables and machines in the "right" Chunk were broken. I had to replace everything to get it working again.

As i left the marked spot free, as seen in the picture, everything connected again even through it was broken beforehand without fixing.
Zerray (reporter)
2017-03-02 00:06

Actually we use industrialcraft-2-2.6.169-ex110 on our server.
Sometimes cable disconnecting, sometimes not...

even if you use Universal cable from Mekanism ---> Cable disconnecting from the machine! :(
Aroma1997 (developer)
2017-03-06 19:26
edited on: 2017-03-06 19:29

Could you try adding the Test mod at [^] and give me the log file of this happening again?

Zerray (reporter)
2017-03-08 16:49

The Server wont boot with the "Test mod" crash report -> [^]
Aroma1997 (developer)
2017-03-08 19:43

That's my bad. Try with this version: [^]
neograymatter (reporter)
2017-03-12 13:13

I have been seeing this issue as well on my server. If a chunk containing Cables is unloaded then reloaded often all the cables will disconnect and stop working until broken and replaced. This can happen even if cable system is constrained to a single chunk. It stops happening if the chunks containing cables are left chunk loaded
 A very similar fault is happening with ender io conduits; on my server both the ender IO conduits and ic2 cables in a chunk have been breaking at the same time. Potentially related ender io issue: [^]
Aroma1997 (developer)
2017-03-12 13:21
edited on: 2017-03-12 13:22

This is most likely caused by the same reason, the EIO conduits disconnect. I talked to HenryLoenwind about this, but none of us found a solution to this problem.
But as said before: If you want to help us debug this, please install this mod: [^] alongside with your IC2 installation and send the logs of this happening again.

neograymatter (reporter)
2017-03-12 16:29
edited on: 2017-03-12 16:30

Ran the Test mod and although I wasn't able to recreate the cables cobpletely disconnecting from each other I was able to reliably recreate the cables disconnecting from transformers. Attached logs


11:04 Server and client launched with test mod added
11:07 logged into server
11:08, cabling was disconnected from LV and MV transformers and between the MV transformer and MFE. Had to wrench transformers and place them again and then click the little refresh icon on thier GUI before they would reconnect
11:10, I pickaxed cable to my backup batbox to ensure production hut was receiving power from my generation hut (it was). Generation hut was out of lava, but still had 3 solar panels and one advanced solar panel feeding an MFE and a molecular transformer. the MFE is connected to the transformers that power my production hut
11:12 wrenched chunckloader to stop it
11:13 fed the geothermal gen a bucket of lava to ensure it still worked,
11:13logged out
11:16 logged in
11:17 slept to make it day
11:17 Transformer cables disconnected themselves again
11:18 wrenched MFE and transformers to take them out of system
11:19 another bucket of lava to geothermal gen to make sure it still works,
wrenched molecular transformer so there would be a steady stream of power to the production hut without the MFE
11:20 logged out again
11:23, logged back in cables still fine
11:24 went to creative
11:26, went 200 blocks west, setup a mfsu connected to 5 solar panels all self contained in one chunk (Similar setup to this was breaking on me last week)
11:26, logged out
11:30 logged in, slept to make it day
11:31 MSFU still filling properly
11:31, flew back to main base, all cables still working
11:33, filled all my machines and took off to south
11:35 about 1000 blocks south of my base, turned around
11:38, main base still good, flew west
11:38 mfsu still good
11:38 save-all and shutdown server

Zipped up logs to this point from server and clients

11:42 launched server again
11:44 logged in again, MFSU still filling
11:46, main production hut still running
11:46 logged out, left server runnning for awhile
12:11 logged in
12:12 everything still connected
12:13, stopped and restored server to prelogging state

Player (administrator)
2017-04-11 14:43

I have uploaded a test build of a new grid management implementation at [^]

It may resolve the issue, but needs testing in general. A lot of the energy net code has changed. Please make sure to have a world backup before trying it!
amitarvind (reporter)
2017-04-11 18:02

I tested both on existing world and brand new world. appears to have resolved it except for the transformer disconnect in the related bug 2037.

- Issue History
Date Modified Username Field Change
2016-08-05 18:37 dman0829 New Issue
2016-08-05 18:37 dman0829 File Added: 2016-08-05_12.36.27.png
2016-08-12 11:19 Pallitax Note Added: 0004696
2016-08-13 04:56 sainato File Added: IC2 - forge-1.10.2- - Server Readout When Cables Disconnected.txt
2016-08-15 04:54 sainato Note Added: 0004704
2016-08-30 12:27 thumperbunny Note Added: 0004727
2016-09-02 06:37 sainato Note Added: 0004732
2016-09-09 05:54 calvss Note Added: 0004748
2016-09-09 05:55 calvss Note Edited: 0004748 View Revisions
2016-09-09 07:05 calvss Note Edited: 0004748 View Revisions
2016-09-09 07:53 calvss Note Added: 0004749
2016-09-09 09:35 Aroma1997 Assigned To => Aroma1997
2016-09-09 09:35 Aroma1997 Status new => confirmed
2016-10-05 22:46 Aroma1997 Note Added: 0004784
2016-10-05 22:46 Aroma1997 Status confirmed => feedback
2016-10-05 22:55 MauveCloud Note Added: 0004785
2016-10-06 02:44 inucune Note Added: 0004786
2016-10-06 03:11 amitarvind Note Added: 0004787
2016-10-06 15:19 amitarvind Note Edited: 0004787 View Revisions
2016-10-06 15:22 amitarvind Note Edited: 0004787 View Revisions
2016-10-06 15:24 amitarvind File Added: fml-client-latest.log
2016-10-07 02:13 inucune Note Added: 0004788
2016-10-07 13:17 mister-man Note Added: 0004789
2016-10-11 22:15 Aroma1997 Relationship added has duplicate 0002014
2016-10-12 09:45 mister-man Note Added: 0004797
2016-10-12 09:46 mister-man Note Edited: 0004797 View Revisions
2016-10-12 09:46 mister-man Note Edited: 0004797 View Revisions
2016-10-17 04:10 MauveCloud Note Added: 0004806
2016-11-03 13:33 Seelenio Note Added: 0004838
2016-11-03 14:27 Seelenio Note Deleted: 0004838
2016-11-17 17:09 Chocohead Relationship added related to 0002037
2016-12-08 18:01 Aroma1997 Relationship added has duplicate 0002027
2017-01-25 23:30 MauveCloud Note Added: 0005025
2017-01-25 23:53 MauveCloud Note Edited: 0005025 View Revisions
2017-01-30 05:23 The_Fireplace Note Added: 0005034
2017-01-30 05:23 The_Fireplace Note Edited: 0005034 View Revisions
2017-01-31 23:50 ultrapotassium Note Added: 0005036
2017-02-18 22:33 AnoBit File Added: 2017-02-18_22.26.11.png
2017-02-18 22:37 AnoBit Note Added: 0005075
2017-03-02 00:06 Zerray Note Added: 0005084
2017-03-06 19:26 Aroma1997 Note Added: 0005089
2017-03-06 19:29 Aroma1997 Note Edited: 0005089 View Revisions
2017-03-08 16:49 Zerray Note Added: 0005092
2017-03-08 19:43 Aroma1997 Note Added: 0005093
2017-03-12 13:13 neograymatter Note Added: 0005097
2017-03-12 13:21 Aroma1997 Note Added: 0005098
2017-03-12 13:22 Aroma1997 Note Edited: 0005098 View Revisions
2017-03-12 16:23 neograymatter File Added: neograymatter_logs.7z
2017-03-12 16:29 neograymatter Note Added: 0005101
2017-03-12 16:29 neograymatter Note Edited: 0005101 View Revisions
2017-03-12 16:30 neograymatter Note Edited: 0005101 View Revisions
2017-03-18 17:32 ultrapotassium File Added:
2017-03-23 21:32 Chocohead Relationship added has duplicate 0002135
2017-04-11 14:43 Player Note Added: 0005139
2017-04-11 18:02 amitarvind Note Added: 0005140

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